Description
Slope -7/9, through (-1,-5)
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Explanation & Answer
m=-7/9
y=mx+c
y=-7/9x+c
given point (-1,-5)
substituting
-5=-7/9*-1+c
c= -5-7/9= -5 7/9=-52/9
y=-7/9x-52/9
or 9y+7x+52=0
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A marketing company based out of New York City is doing well and is looking to expand internationally. The CEO and VP of Operations decide to enlist the help of a consulting firm that you work for, to help collect data and analyze market trends.You work for Mercer Human Resources. The Mercer Human Resource Consulting websitelists prices of certain items in selected cities around the world. They also report an overall cost-of-living index for each city compared to the costs of hundreds of items in New York City (NYC). For example, London at 88.33 is 11.67% less expensive than NYC.More specifically, if you choose to explore the website further you will find a lot of fun and interesting data. You can explore the website more on your own after the course concludes.https://mobilityexchange.mercer.com/Insights/ cost-of-living-rankings#rankingsASSIGNMENT GUIDANCE:In the Excel document, you will find the 2018 data for 17 cities in the data set Cost of Living. Included are the 2018 cost of living index, cost of a 3-bedroom apartment (per month), price of monthly transportation pass, price of a mid-range bottle of wine, price of a loaf of bread (1 lb.), the price of a gallon of milk and price for a 12 oz. cup of black coffee. All prices are in U.S. dollars.You use this information to run a Multiple Linear Regression to predict Cost of living, along with calculating various descriptive statistics. This is given in the Excel output (that is, the MLR has already been calculated. Your task is to interpret the data).Based on this information, in which city should you open a second office in? You must justify your answer. If you want to recommend 2 or 3 different cities and rank them based on the data and your findings, this is fine as well.DELIVERABLE REQUIREMENTS:This should be ¾ to 1 page, no more than 1 single-spaced page in length, using 12-point Times New Roman font. You do not need to do any calculations, but you do need to pick a city to open a second location at and justify your answer based upon the provided results of the Multiple Linear Regression.The format of this assignment will be an Executive Summary. Think of this assignment as the first page of a much longer report, known as an Executive Summary, that essentially summarizes your findings briefly and at a high level. This needs to be written up neatly and professionally. This would be something you would present at a board meeting in a corporate environment. If you are unsure of an Executive Summary, this resource can help with an overview. What is an Executive Summary?THINGS TO CONSIDER:To help you make this decision here are some things to consider:Based on the MLR output, what variable(s) is/are significant?From the significant predictors, review the mean, median, min, max, Q1 and Q3 values?It might be a good idea to compare these values to what the New York value is for that variable. Remember New York is the baseline as that is where headquarters are located.Based on the descriptive statistics, for the significant predictors, what city has the best potential?What city or cities fall are below the median?What city or cities are in the upper 3rd quartile?
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Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 1 1 pts Edit this QuestionDelete this Question0file_upload_question <p>Use Excel or another software to draw the scatter plot for the variables. You can either upload the file or copy the scatterplot into the text box for your answer.</p>
<p>The director of an alumni association for a small college wants to determine whether there is any type of relationship between the amount of an alumnus's contribution (in dollars) and the years the alumnus has been out of school. The data follow. </p>
<table border="0">
<tbody>
<tr>
<td>Years <em>x</em>
</td>
<td>1</td>
<td>5</td>
<td>3</td>
<td>10</td>
<td>7</td>
<td>6</td>
</tr>
<tr>
<td>Contribution <em>y</em>
</td>
<td>500</td>
<td>100</td>
<td>300</td>
<td>50</td>
<td>75</td>
<td>80</td>
</tr>
</tbody>
</table>
Use Excel or another software to draw the scatter plot for the variables. You can either upload the file or copy the scatterplot into the text box for your answer.The director of an alumni association for a small college wants to determine whether there is any type of relationship between the amount of an alumnus's contribution (in dollars) and the years the alumnus has been out of school. The data follow. Years x 1531076Contribution y 500100300507580 Upload Choose a File Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 2 1 pts Edit this QuestionDelete this Question0numerical_question <p style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; margin: 12px 0px 12px 0px;">Compute the correlation coefficient between hourly wage and years of service. Rounded to the nearest thousandths. Compare it to the answer of a previous question.</p>
<table style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; border: 1px dashed #888888;">
<tbody style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-weight: 400; height: auto; line-height: 24px; min-height: 0px; margin: 0px;">
<tr style="height: 20px;">
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">years of service x</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">0.5</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">1</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">1.75</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">2.5</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">3.0</td>
</tr>
<tr style="height: 20px;">
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">hourly wage y</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">9.51</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">8.23</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">10.95</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">12.70</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">12.75</td>
</tr>
</tbody>
</table>
<p> </p>
Compute the correlation coefficient between hourly wage and years of service. Rounded to the nearest thousandths. Compare it to the answer of a previous question.years of service x0.511.752.53.0hourly wage y9.518.2310.9512.7012.75Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 3 1 pts Edit this QuestionDelete this Question0multiple_dropdowns_question <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Scatter_diagram_for_quality_characteristic_XXX.svg/1200px-Scatter_diagram_for_quality_characteristic_XXX.svg.png"><br>Based on the scatterplot above, the correlation between process input and quality characteristic is [ Select ]
["negatie", "positive", "there is no correlation"] Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 4 1 pts Edit this QuestionDelete this Question0multiple_dropdowns_question <img src="http://www.conceptdraw.com/solution-park/resource/images/solutions/scatter-diagrams/Graphs-and-Charts-Scatter-Diagrams-Linear-Regression.png"><br>Based on the scatterplot above, the correlation between in-lab crack reading and in-field crack reading is [ Select ]
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<p>If a patient's left foot is cooler than the average, then the patient's right foot is expected to be <select class='question_input' name='question_40020995_53abc86406e2e287d275854673e2d89d'>
<option value=''>
[ Select ]
</option>
["<option value='91822'>cooler</option>", "<option value='83759'>warmer</option>"]
</select>
than average.</p>
Correlation coefficient between the left and right foot was computed and it was found to be 0.896.If a patient's left foot is cooler than the average, then the patient's right foot is expected to be [ Select ]
["cooler", "warmer"] than average.Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 7 1 pts Edit this QuestionDelete this Question0numerical_question <p>On Canvas, in session about Correlation and Regression you can find the file "How to test for correlation". Use the data below to evaluate test statistic described there. Round your answer to the nearest thousandths.</p>
<p>cost of pizza 0.15 0.35 1.00 1.25 1.75 2.00</p>
<p>subway fare 0.15 0.35 1.00 1.35 1.50 2.00</p>
On Canvas, in session about Correlation and Regression you can find the file "How to test for correlation". Use the data below to evaluate test statistic described there. Round your answer to the nearest thousandths.cost of pizza 0.15 0.35 1.00 1.25 1.75 2.00subway fare 0.15 0.35 1.00 1.35 1.50 2.00Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 8 1 pts Edit this QuestionDelete this Question0multiple_choice_question <p>Using the test describe in "How to test for correlation" (see question above), test the null hypothesis if n=12, t=3.1, <img class="equation_image" title="\alpha=0.01" src="/equation_images/%255Calpha%253D0.01" alt="LaTeX: \alpha=0.01" data-equation-content="\alpha=0.01"> Choose the right conclusion.</p>
<p>a) T<span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;">here is not enough evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor </span><em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">x</em><span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;"> and response </span><em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">y</em><span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;">.</span></p>
<p><span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;">b) there is sufficient evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor <em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">x</em> and response <em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">y</em></span></p>
<p>c) there is not enough data to draw any conclusion<span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;"></span></p>
Using the test describe in "How to test for correlation" (see question above), test the null hypothesis if n=12, t=3.1, α = 0.01 Choose the right conclusion.a) There is not enough evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor x and response y.b) there is sufficient evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor x and response yc) there is not enough data to draw any conclusion a b c Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 9 1 pts Edit this QuestionDelete this Question0multiple_choice_question <p style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; margin: 12px 0px 12px 0px;">Using the test describe in "How to test for correlation" (see question above), test the null hypothesis if n=12, t=3.3, <img class="equation_image" style="height: 16px; max-width: 435.52px; vertical-align: middle; border: 0px none #2d3b45;" title="\alpha=0.01" src="/equation_images/%255Calpha%253D0.01" alt="LaTeX: \alpha=0.01" data-equation-content="\alpha=0.01"> Choose the right conclusion.</p>
<p style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; margin: 12px 0px 12px 0px;">a) T<span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;">here is not enough evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor </span><em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">x</em><span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;"> and response </span><em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">y</em><span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;">.</span></p>
<p style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; margin: 12px 0px 12px 0px;"><span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;">b) there is sufficient evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor <em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">x</em> and response <em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">y</em></span></p>
<p style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; margin: 12px 0px 12px 0px;">c) there is not enough data to draw any conclusion</p>
Using the test describe in "How to test for correlation" (see question above), test the null hypothesis if n=12, t=3.3, α = 0.01 Choose the right conclusion.a) There is not enough evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor x and response y.b) there is sufficient evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor x and response yc) there is not enough data to draw any conclusion b a c Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 10 1 pts Edit this QuestionDelete this Question0multiple_dropdowns_question If all data points on its scatter plot are on one line, then the correlation coefficient is equal <select class='question_input' name='question_40020999_5a3641d237e60d3404067d9fcf811ff2'>
<option value=''>
[ Select ]
</option>
["<option value='72553'>1 or -1</option>", "<option value='10454'>1</option>", "<option value='83615'>-1</option>", "<option value='40051'>0</option>", "<option value='50357'>not possible to tell</option>", "<option value='60008'>0.5</option>", "<option value='93076'>-0.5</option>", "<option value='55403'>4</option>"]
</select>
If all data points on its scatter plot are on one line, then the correlation coefficient is equal [ Select ]
["1 or -1", "1", "-1", "0", "not possible to tell", "0.5", "-0.5", "4"] Question 11 1 pts <p>The following are data with the correlation coefficient equal negative one (-1). Find the missing entry in the data.</p>
<p>x 4 5 6</p>
<p>y -8 -10 ?</p>
The following are data with the correlation coefficient equal negative one (-1). Find the missing entry in the data.x 4 5 6y -8 -10 ?Question 12 1 pts <p>Is the following conclusion drawn after finding that there is a significant correlation between annual personal income and years of education true?</p>
<p>Conclusion: More education causes a person's income to rise.</p>
Is the following conclusion drawn after finding that there is a significant correlation between annual personal income and years of education true?Conclusion: More education causes a person's income to rise. The conclusion cannot be drawn because correlation does not necessary implies causality. The conclusion is correct since the correlation is significant. The conclusion is incorrect; Instead we should conclude that annual personal income increases more years of education.
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A marketing company based out of New York City is doing well and is looking to expand internationally. The CEO and VP of Operations decide to enlist the help of a consulting firm that you work for, to help collect data and analyze market trends.You work for Mercer Human Resources. The Mercer Human Resource Consulting websitelists prices of certain items in selected cities around the world. They also report an overall cost-of-living index for each city compared to the costs of hundreds of items in New York City (NYC). For example, London at 88.33 is 11.67% less expensive than NYC.More specifically, if you choose to explore the website further you will find a lot of fun and interesting data. You can explore the website more on your own after the course concludes.https://mobilityexchange.mercer.com/Insights/ cost-of-living-rankings#rankingsASSIGNMENT GUIDANCE:In the Excel document, you will find the 2018 data for 17 cities in the data set Cost of Living. Included are the 2018 cost of living index, cost of a 3-bedroom apartment (per month), price of monthly transportation pass, price of a mid-range bottle of wine, price of a loaf of bread (1 lb.), the price of a gallon of milk and price for a 12 oz. cup of black coffee. All prices are in U.S. dollars.You use this information to run a Multiple Linear Regression to predict Cost of living, along with calculating various descriptive statistics. This is given in the Excel output (that is, the MLR has already been calculated. Your task is to interpret the data).Based on this information, in which city should you open a second office in? You must justify your answer. If you want to recommend 2 or 3 different cities and rank them based on the data and your findings, this is fine as well.DELIVERABLE REQUIREMENTS:This should be ¾ to 1 page, no more than 1 single-spaced page in length, using 12-point Times New Roman font. You do not need to do any calculations, but you do need to pick a city to open a second location at and justify your answer based upon the provided results of the Multiple Linear Regression.The format of this assignment will be an Executive Summary. Think of this assignment as the first page of a much longer report, known as an Executive Summary, that essentially summarizes your findings briefly and at a high level. This needs to be written up neatly and professionally. This would be something you would present at a board meeting in a corporate environment. If you are unsure of an Executive Summary, this resource can help with an overview. What is an Executive Summary?THINGS TO CONSIDER:To help you make this decision here are some things to consider:Based on the MLR output, what variable(s) is/are significant?From the significant predictors, review the mean, median, min, max, Q1 and Q3 values?It might be a good idea to compare these values to what the New York value is for that variable. Remember New York is the baseline as that is where headquarters are located.Based on the descriptive statistics, for the significant predictors, what city has the best potential?What city or cities fall are below the median?What city or cities are in the upper 3rd quartile?
13 pages
Algebra 2 Part 2 Final Exam Nc
Directions: Answer the questions below. Make sure to show your work and justify all your 1. Bradley dropped a ball from a ...
Algebra 2 Part 2 Final Exam Nc
Directions: Answer the questions below. Make sure to show your work and justify all your 1. Bradley dropped a ball from a roof 16 feet high. Each time ...
Mathematics for College Readiness Belchertown High School Find the perimeter of the polygon ?ABCDEFG? shown below. Round to the nearest tenth, if necessary.
Find the perimeter of the polygon ABCDEFG shown below. Round to the nearest tenth, if necessary.A. 59.7B. 26C. 30D. 27.7
Mathematics for College Readiness Belchertown High School Find the perimeter of the polygon ?ABCDEFG? shown below. Round to the nearest tenth, if necessary.
Find the perimeter of the polygon ABCDEFG shown below. Round to the nearest tenth, if necessary.A. 59.7B. 26C. 30D. 27.7
Statistics
Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move th ...
Statistics
Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 1 1 pts Edit this QuestionDelete this Question0file_upload_question <p>Use Excel or another software to draw the scatter plot for the variables. You can either upload the file or copy the scatterplot into the text box for your answer.</p>
<p>The director of an alumni association for a small college wants to determine whether there is any type of relationship between the amount of an alumnus's contribution (in dollars) and the years the alumnus has been out of school. The data follow. </p>
<table border="0">
<tbody>
<tr>
<td>Years <em>x</em>
</td>
<td>1</td>
<td>5</td>
<td>3</td>
<td>10</td>
<td>7</td>
<td>6</td>
</tr>
<tr>
<td>Contribution <em>y</em>
</td>
<td>500</td>
<td>100</td>
<td>300</td>
<td>50</td>
<td>75</td>
<td>80</td>
</tr>
</tbody>
</table>
Use Excel or another software to draw the scatter plot for the variables. You can either upload the file or copy the scatterplot into the text box for your answer.The director of an alumni association for a small college wants to determine whether there is any type of relationship between the amount of an alumnus's contribution (in dollars) and the years the alumnus has been out of school. The data follow. Years x 1531076Contribution y 500100300507580 Upload Choose a File Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 2 1 pts Edit this QuestionDelete this Question0numerical_question <p style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; margin: 12px 0px 12px 0px;">Compute the correlation coefficient between hourly wage and years of service. Rounded to the nearest thousandths. Compare it to the answer of a previous question.</p>
<table style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; border: 1px dashed #888888;">
<tbody style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-weight: 400; height: auto; line-height: 24px; min-height: 0px; margin: 0px;">
<tr style="height: 20px;">
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">years of service x</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">0.5</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">1</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">1.75</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">2.5</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">3.0</td>
</tr>
<tr style="height: 20px;">
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">hourly wage y</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">9.51</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">8.23</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">10.95</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">12.70</td>
<td style="min-width: 20px; padding: 2px; margin: 0px; border: 1px dashed #888888;">12.75</td>
</tr>
</tbody>
</table>
<p> </p>
Compute the correlation coefficient between hourly wage and years of service. Rounded to the nearest thousandths. Compare it to the answer of a previous question.years of service x0.511.752.53.0hourly wage y9.518.2310.9512.7012.75Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 3 1 pts Edit this QuestionDelete this Question0multiple_dropdowns_question <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Scatter_diagram_for_quality_characteristic_XXX.svg/1200px-Scatter_diagram_for_quality_characteristic_XXX.svg.png"><br>Based on the scatterplot above, the correlation between process input and quality characteristic is [ Select ]
["negatie", "positive", "there is no correlation"] Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 4 1 pts Edit this QuestionDelete this Question0multiple_dropdowns_question <img src="http://www.conceptdraw.com/solution-park/resource/images/solutions/scatter-diagrams/Graphs-and-Charts-Scatter-Diagrams-Linear-Regression.png"><br>Based on the scatterplot above, the correlation between in-lab crack reading and in-field crack reading is [ Select ]
["positive", "negative", "there is no correlation"] Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 5 1 pts Edit this QuestionDelete this Question0numerical_question <img src="http://science-fair-coach.com/wp-content/uploads/2011/12/Slide6.jpg"><br>What is the value of variable 2 if variable 1 is equal 8?Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 6 1 pts Edit this QuestionDelete this Question0multiple_dropdowns_question <p>Correlation coefficient between the left and right foot was computed and it was found to be 0.896.</p>
<p>If a patient's left foot is cooler than the average, then the patient's right foot is expected to be <select class='question_input' name='question_40020995_53abc86406e2e287d275854673e2d89d'>
<option value=''>
[ Select ]
</option>
["<option value='91822'>cooler</option>", "<option value='83759'>warmer</option>"]
</select>
than average.</p>
Correlation coefficient between the left and right foot was computed and it was found to be 0.896.If a patient's left foot is cooler than the average, then the patient's right foot is expected to be [ Select ]
["cooler", "warmer"] than average.Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 7 1 pts Edit this QuestionDelete this Question0numerical_question <p>On Canvas, in session about Correlation and Regression you can find the file "How to test for correlation". Use the data below to evaluate test statistic described there. Round your answer to the nearest thousandths.</p>
<p>cost of pizza 0.15 0.35 1.00 1.25 1.75 2.00</p>
<p>subway fare 0.15 0.35 1.00 1.35 1.50 2.00</p>
On Canvas, in session about Correlation and Regression you can find the file "How to test for correlation". Use the data below to evaluate test statistic described there. Round your answer to the nearest thousandths.cost of pizza 0.15 0.35 1.00 1.25 1.75 2.00subway fare 0.15 0.35 1.00 1.35 1.50 2.00Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 8 1 pts Edit this QuestionDelete this Question0multiple_choice_question <p>Using the test describe in "How to test for correlation" (see question above), test the null hypothesis if n=12, t=3.1, <img class="equation_image" title="\alpha=0.01" src="/equation_images/%255Calpha%253D0.01" alt="LaTeX: \alpha=0.01" data-equation-content="\alpha=0.01"> Choose the right conclusion.</p>
<p>a) T<span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;">here is not enough evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor </span><em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">x</em><span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;"> and response </span><em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">y</em><span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;">.</span></p>
<p><span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;">b) there is sufficient evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor <em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">x</em> and response <em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">y</em></span></p>
<p>c) there is not enough data to draw any conclusion<span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;"></span></p>
Using the test describe in "How to test for correlation" (see question above), test the null hypothesis if n=12, t=3.1, α = 0.01 Choose the right conclusion.a) There is not enough evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor x and response y.b) there is sufficient evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor x and response yc) there is not enough data to draw any conclusion a b c Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 9 1 pts Edit this QuestionDelete this Question0multiple_choice_question <p style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; margin: 12px 0px 12px 0px;">Using the test describe in "How to test for correlation" (see question above), test the null hypothesis if n=12, t=3.3, <img class="equation_image" style="height: 16px; max-width: 435.52px; vertical-align: middle; border: 0px none #2d3b45;" title="\alpha=0.01" src="/equation_images/%255Calpha%253D0.01" alt="LaTeX: \alpha=0.01" data-equation-content="\alpha=0.01"> Choose the right conclusion.</p>
<p style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; margin: 12px 0px 12px 0px;">a) T<span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;">here is not enough evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor </span><em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">x</em><span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;"> and response </span><em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">y</em><span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;">.</span></p>
<p style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; margin: 12px 0px 12px 0px;"><span style="display: inline !important; float: none; background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal;">b) there is sufficient evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor <em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">x</em> and response <em style="background-color: transparent; color: #000000; font-family: times new roman,serif; font-size: 15px; font-style: italic; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; padding: 0px; margin: 0px;">y</em></span></p>
<p style="background-color: transparent; color: #2d3b45; font-family: sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; text-align: left; text-decoration: none; text-indent: 0px; white-space: normal; margin: 12px 0px 12px 0px;">c) there is not enough data to draw any conclusion</p>
Using the test describe in "How to test for correlation" (see question above), test the null hypothesis if n=12, t=3.3, α = 0.01 Choose the right conclusion.a) There is not enough evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor x and response y.b) there is sufficient evidence at the α=0.01 level to conclude that there is a linear relationship in the population between the predictor x and response yc) there is not enough data to draw any conclusion b a c Move To... This element is a more accessible alternative to drag & drop reordering. Press Enter or Space to move this question. Flag this QuestionQuestion 10 1 pts Edit this QuestionDelete this Question0multiple_dropdowns_question If all data points on its scatter plot are on one line, then the correlation coefficient is equal <select class='question_input' name='question_40020999_5a3641d237e60d3404067d9fcf811ff2'>
<option value=''>
[ Select ]
</option>
["<option value='72553'>1 or -1</option>", "<option value='10454'>1</option>", "<option value='83615'>-1</option>", "<option value='40051'>0</option>", "<option value='50357'>not possible to tell</option>", "<option value='60008'>0.5</option>", "<option value='93076'>-0.5</option>", "<option value='55403'>4</option>"]
</select>
If all data points on its scatter plot are on one line, then the correlation coefficient is equal [ Select ]
["1 or -1", "1", "-1", "0", "not possible to tell", "0.5", "-0.5", "4"] Question 11 1 pts <p>The following are data with the correlation coefficient equal negative one (-1). Find the missing entry in the data.</p>
<p>x 4 5 6</p>
<p>y -8 -10 ?</p>
The following are data with the correlation coefficient equal negative one (-1). Find the missing entry in the data.x 4 5 6y -8 -10 ?Question 12 1 pts <p>Is the following conclusion drawn after finding that there is a significant correlation between annual personal income and years of education true?</p>
<p>Conclusion: More education causes a person's income to rise.</p>
Is the following conclusion drawn after finding that there is a significant correlation between annual personal income and years of education true?Conclusion: More education causes a person's income to rise. The conclusion cannot be drawn because correlation does not necessary implies causality. The conclusion is correct since the correlation is significant. The conclusion is incorrect; Instead we should conclude that annual personal income increases more years of education.
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