What fraction of the area of parallelogram ABCD is the shaded region (coloured region).
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In parallelogram ABCD, E is the midpoint of CD. What fraction of the area of parallelogram ABCD is the shaded region (coloured region)?
The parallelogram is shown here:
http://fivetriangles.blogspot.com/2013/05/72-parallelogram.html
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MAT 510 Strayer University Moving Range Control Chart Questions
To complete this assignment, you need to create a Control Chart for each country code. With the Control Chart, you will ne ...
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To complete this assignment, you need to create a Control Chart for each country code. With the Control Chart, you will need to identify if the data collected on each country code presents special cause variation. The following table lists country code and the order to remittance (OTR) time for a firm's software installations for the last 76 installations (from first to last). OTR is the time it takes after an order is received until the system is installed and payment is received (remittance). Because this company does business internationally, it also notes the country of installation using a country code. This code is listed in the first column. Country Code and OTR Cycle Time for Software Systems Installation Country Code Cycle Time Country Code Cycle Time 1 20 5 29 1 24 6 40 1 46 7 157 1 26 8 19 14 38 5 24 1 15 1 81 1 15 7 53 17 23 7 26 1 31 1 28 1 31 1 34 6 64 1 34 5 29 7 50 5 44 1 52 1 32 1 19 1 15 1 44 7 11 14 150 7 14 7 29 1 89 17 23 17 41 6 79 7 41 17 13 1 36 6 32 8 43 7 61 17 21 8 42 8 28 8 46 7 18 7 88 8 47 14 24 6 26 7 7 6 47 1 33 5 9 5 129 7 42 17 41 5 5 17 43 6 27 14 42 6 27 14 42 1 33 7 53 7 44 7 53 1 21 7 48 1 22 5 21 1 50 1 19 Using the data in the table above, answer the following questions in a Word document and submit: Does the OTR time appear to be stable? Why or why not? If you were to use a control chart to evaluate stability, which chart would you use? Why? What can you learn about the distribution of the installation process? Does it appear that the country has an impact on installation time? Why or why not?
PSY 515 University of Louisville Standard Deviation & Statistics Discussion
Q1–Q3: After importing the data into SPSS, all the questions in Q1 to Q3 can be answered by running Descriptive Statist ...
PSY 515 University of Louisville Standard Deviation & Statistics Discussion
Q1–Q3: After importing the data into SPSS, all the questions in Q1 to Q3 can be answered by running Descriptive Statistics – Explore, although some of them can also be done through different analysis choices in SPSS. When examining multiple variables, you may enter all of them in the Dependent List or run the analysis on one variable at a time. But the preferred method is to analyze one variable at a time so that the results are clear and easy to interpret. (There is no need to specify “factor” for this analysis.)The options for answering Q1-Q3 include:Descriptive statistics like mean and standard deviationMissing data: total number and percentage of missing data in each variableBox plot Histogram with normality line and tests of normality
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An expert who works for a car magazine obtained random data (rounded to the nearest thousand) among two categories of used ...
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An expert who works for a car magazine obtained random data (rounded to the nearest thousand) among two categories of used or new cars: Domestic Foreign
The expert would like to understand sales based on list price (rounded to the nearest thousand dollars), sale price (rounded to the nearest thousand dollars), and number of days it takes to sell each car. The complete data set is in the file named Cars.
Managerial Report
Prepare a report (see below) that summarizes your assessment of the nature of the car market. Be sure to include the following seven items in your report.
Calculate descriptive statistics (mean, median, range, standard deviation, and coefficient of variation) to summarize each of the three variables for the all Domestic cars.
Use z-scores to determine if there any outliers in the data set for any of the three variables. If there are any outliers in any category, please list them and state for which category they are an outlier.
If a result is an outlier, state whether it is below or above the mean.
How can one use the above descriptive statistics to understand the Domestic car market better?
Could there be any other descriptive statistics that can help one understand the Domestic car market better?
Descriptive statistics (mean, median, range, standard deviation, and coefficient of variation) to summarize each of the three variables for the all Foreign cars.
Use z-scores to determine if there any outliers in the data set for any of the three variables.
If there are any outliers in any category, please list them and state for which category they are an outlier.
If a result is an outlier, state whether it is below or above the mean.
How can one use the above descriptive statistics to understand the Foreign car market better?
Could there be any other descriptive statistic that can help one understand the Foreign car market better?
Compare your summary results from #1 and #2. Discuss any specific statistical results that would help the car expert understand the two-car markets.
Develop a 98% confidence interval estimate of the population mean sales price and population mean number of days to sell for Domestic cars. What is the margin of error?
Interpret what each confidence intervals means. How can both confidence intervals provide useful car sales information?
What other confidence interval would you choose to compute to obtain more information related to Domestic car sales? Explain why.
What happens to the confidence interval as the level of confidence is increased?
Develop a 98% confidence interval estimate of the population mean sales price and population mean number of days to sell for Foreign cars. What is the margin of error?
Interpret what each confidence intervals means. How can both confidence intervals provide useful car sales information?
What other confidence interval would you choose to compute to obtain more information related to Domestic car sales? Explain why.
Assume the car expert requested estimates of the mean number of days to sell for the Domestic cars with a margin of error of seven days and the mean selling price of foreign cars with a margin of error of eight days.
Using 98% confidence, how large should the sample sizes be for each one?
How could the sample size formula be useful in understanding both types of car businesses? What are some advantages of a larger sample size?
Suppose a Domestic car has a list price of $30,000 and a Foreign car has a list price of $30,000. What is your estimate of the final selling price (based on the percent difference for the sale and list price) and number of days required to sell each of these cars?
How would these two estimates be useful in this application?
Write a report that adheres to the formatting and APA expectations outlined on the Citing & APA Resources page (Links to an external site.) in the CSU-Global Writing Center. As with all written assignments at CSU-Global, you should have in-text citations and a reference page.
Submit your Excel file in addition to your report.
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A1 Hotels operates luxury hotels throughout the world. Recently, motivated by some incidents that appeared in the news, th ...
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How can this study be improved?Write a report that adheres to the Written Assignment Requirements under the heading “Expectations for CSU-Global Written Assignments” found in the CSU-Global Guide to Writing and APA Requirements (Links to an external site.)Links to an external site.. As with all written assignments at CSU-Global, you should have in-text citations and a reference page. An example paper is provided in the MTH410 Guide to Writing with Statistics. (link provided in the Modules tab)Submit your Excel file in addition to your report.Requirements:Paper must be written in third person.Your paper should be four to five pages in length (counting the title page and references page) and cite and integrate at least one credible outside source. The CSU-Global Library (Links to an external site.)Links to an external site. is a great place to find resources.Include a title page, introduction, body, conclusion, and a reference page.The introduction should describe or summarize the topic or problem. It might discuss the importance of the topic or how it affects you or society as a whole, or it might discuss or describe the unique terminology associated with the topic.The body of your paper should answer the questions posed in the problem. Explain how you approached and answered the question or solved the problem, and, for each question, show all steps involved. Be sure this is in paragraph format, not numbered answers like a homework assignment.The conclusion should summarize your thoughts about what you have determined from the data and your analysis, often with a broader personal or societal perspective in mind. Nothing new should be introduced in the conclusion that was not previously discussed in the body paragraphs.Include any tables of data or calculations, calculated values, and/or graphs associated with this problem in the body of your assignment.Document formatting, citations, and style should conform to the CSU-Global Virtual Library CSU-Global Guide to Writing and APA: Introduction (Links to an external site.)Links to an external site.. A short summary containing much that you need to know about paper formatting, citations, and references is contained in the New Sample APA Paper (Links to an external site.)Links to an external site.. In addition, information in the CSU-Global Virtual Library under the Writing Center/APA Resources tab (Links to an external site.)Links to an external site. has many helpful areas (Writing Center, Writing Tips, Template & Examples/Papers & Essays, and others).
Discussion: Statistical Significance and Meaningfulness
To prepare for this Discussion:Review the Learning Resources related to hypothesis testing, meaningfulness, and statistica ...
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To prepare for this Discussion:Review the Learning Resources related to hypothesis testing, meaningfulness, and statistical significance.Review Magnusson’s web blog found in the Learning Resources to further your visualization and understanding of statistical power and significance testing.Review the American Statistical Association’s press release and consider the misconceptions and misuse of p-values.Consider the scenario: A research paper claims a meaningful contribution to the literature based on finding statistically significant relationships between predictor and response variables. In the footnotes, you see the following statement, “given this research was exploratory in nature, traditional levels of significance to reject the null hypotheses were relaxed to the .10 level.”Reading materials https://www.amstat.org/asa/files/pdfs/P-ValueStatement.pdfhttps://rpsychologist.com/index.html
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MAT 510 Strayer University Moving Range Control Chart Questions
To complete this assignment, you need to create a Control Chart for each country code. With the Control Chart, you will ne ...
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To complete this assignment, you need to create a Control Chart for each country code. With the Control Chart, you will need to identify if the data collected on each country code presents special cause variation. The following table lists country code and the order to remittance (OTR) time for a firm's software installations for the last 76 installations (from first to last). OTR is the time it takes after an order is received until the system is installed and payment is received (remittance). Because this company does business internationally, it also notes the country of installation using a country code. This code is listed in the first column. Country Code and OTR Cycle Time for Software Systems Installation Country Code Cycle Time Country Code Cycle Time 1 20 5 29 1 24 6 40 1 46 7 157 1 26 8 19 14 38 5 24 1 15 1 81 1 15 7 53 17 23 7 26 1 31 1 28 1 31 1 34 6 64 1 34 5 29 7 50 5 44 1 52 1 32 1 19 1 15 1 44 7 11 14 150 7 14 7 29 1 89 17 23 17 41 6 79 7 41 17 13 1 36 6 32 8 43 7 61 17 21 8 42 8 28 8 46 7 18 7 88 8 47 14 24 6 26 7 7 6 47 1 33 5 9 5 129 7 42 17 41 5 5 17 43 6 27 14 42 6 27 14 42 1 33 7 53 7 44 7 53 1 21 7 48 1 22 5 21 1 50 1 19 Using the data in the table above, answer the following questions in a Word document and submit: Does the OTR time appear to be stable? Why or why not? If you were to use a control chart to evaluate stability, which chart would you use? Why? What can you learn about the distribution of the installation process? Does it appear that the country has an impact on installation time? Why or why not?
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Q1–Q3: After importing the data into SPSS, all the questions in Q1 to Q3 can be answered by running Descriptive Statist ...
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Q1–Q3: After importing the data into SPSS, all the questions in Q1 to Q3 can be answered by running Descriptive Statistics – Explore, although some of them can also be done through different analysis choices in SPSS. When examining multiple variables, you may enter all of them in the Dependent List or run the analysis on one variable at a time. But the preferred method is to analyze one variable at a time so that the results are clear and easy to interpret. (There is no need to specify “factor” for this analysis.)The options for answering Q1-Q3 include:Descriptive statistics like mean and standard deviationMissing data: total number and percentage of missing data in each variableBox plot Histogram with normality line and tests of normality
descriptive statistics
An expert who works for a car magazine obtained random data (rounded to the nearest thousand) among two categories of used ...
descriptive statistics
An expert who works for a car magazine obtained random data (rounded to the nearest thousand) among two categories of used or new cars: Domestic Foreign
The expert would like to understand sales based on list price (rounded to the nearest thousand dollars), sale price (rounded to the nearest thousand dollars), and number of days it takes to sell each car. The complete data set is in the file named Cars.
Managerial Report
Prepare a report (see below) that summarizes your assessment of the nature of the car market. Be sure to include the following seven items in your report.
Calculate descriptive statistics (mean, median, range, standard deviation, and coefficient of variation) to summarize each of the three variables for the all Domestic cars.
Use z-scores to determine if there any outliers in the data set for any of the three variables. If there are any outliers in any category, please list them and state for which category they are an outlier.
If a result is an outlier, state whether it is below or above the mean.
How can one use the above descriptive statistics to understand the Domestic car market better?
Could there be any other descriptive statistics that can help one understand the Domestic car market better?
Descriptive statistics (mean, median, range, standard deviation, and coefficient of variation) to summarize each of the three variables for the all Foreign cars.
Use z-scores to determine if there any outliers in the data set for any of the three variables.
If there are any outliers in any category, please list them and state for which category they are an outlier.
If a result is an outlier, state whether it is below or above the mean.
How can one use the above descriptive statistics to understand the Foreign car market better?
Could there be any other descriptive statistic that can help one understand the Foreign car market better?
Compare your summary results from #1 and #2. Discuss any specific statistical results that would help the car expert understand the two-car markets.
Develop a 98% confidence interval estimate of the population mean sales price and population mean number of days to sell for Domestic cars. What is the margin of error?
Interpret what each confidence intervals means. How can both confidence intervals provide useful car sales information?
What other confidence interval would you choose to compute to obtain more information related to Domestic car sales? Explain why.
What happens to the confidence interval as the level of confidence is increased?
Develop a 98% confidence interval estimate of the population mean sales price and population mean number of days to sell for Foreign cars. What is the margin of error?
Interpret what each confidence intervals means. How can both confidence intervals provide useful car sales information?
What other confidence interval would you choose to compute to obtain more information related to Domestic car sales? Explain why.
Assume the car expert requested estimates of the mean number of days to sell for the Domestic cars with a margin of error of seven days and the mean selling price of foreign cars with a margin of error of eight days.
Using 98% confidence, how large should the sample sizes be for each one?
How could the sample size formula be useful in understanding both types of car businesses? What are some advantages of a larger sample size?
Suppose a Domestic car has a list price of $30,000 and a Foreign car has a list price of $30,000. What is your estimate of the final selling price (based on the percent difference for the sale and list price) and number of days required to sell each of these cars?
How would these two estimates be useful in this application?
Write a report that adheres to the formatting and APA expectations outlined on the Citing & APA Resources page (Links to an external site.) in the CSU-Global Writing Center. As with all written assignments at CSU-Global, you should have in-text citations and a reference page.
Submit your Excel file in addition to your report.
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Hi there - i have a quick stats assignment to complete which I'd like some help with. It's basic undergrad statistics, mos ...
Statistics Assignment Completion - Focusing on Data Analytics
Hi there - i have a quick stats assignment to complete which I'd like some help with. It's basic undergrad statistics, mostly descriptive. Please note that only excel can be used (not R, etc.)
Quality at A1 Hotels
A1 Hotels operates luxury hotels throughout the world. Recently, motivated by some incidents that appeared in the news, th ...
Quality at A1 Hotels
A1 Hotels operates luxury hotels throughout the world. Recently, motivated by some incidents that appeared in the news, they have been concerned about the quality of service. The company has been giving the following survey to its clients after their stay:How would you rate the quality of your room? Select one.Good(G), Poor(P)How would you rate the quality of your food? Select one.Good(G), Poor(P)How would you rate the quality of your service? Select one.Good (G), Poor(P)Any customer who answered “Poor” to at least one of the three questions up above is considered to be “dissatisfied.” Traditionally, 40% of customers have been dissatisfied.A1 Hotels would like to study customer satisfaction. Therefore, 200 survey responses were recently chosen at random for analysis. The complete data set is in the file named Hotels.Managerial ReportPrepare a report (see below) for A1 Hotels that summarizes your assessment of customer satisfaction. Be sure to include the following seven items in your report.To summarize the data, compute the proportion of all clients thatAnswered “Poor” to room quality.Answered “Poor” to food quality.Answered “Poor” to service quality.Develop the 92% confidence interval for the proportion of all recent clients that were “dissatisfied.” What is the margin of error? What are the lower (or left) and upper (or right) endpoints of the confidence interval? Interpret your results.Develop the 92% confidence interval for the proportion of all recent clients who answered “Poor” to room quality. What is the margin of error? What are the lower (or left) and upper (or right) endpoints of the confidence interval? Interpret your results.Develop the 92% confidence interval for the proportion of all recent clients who answered “Poor” to food quality. What is the margin of error? What are the lower (or left) and upper (or right) endpoints of the confidence interval? Interpret your results.Develop the 92% confidence interval for the proportion of all recent clients who answered “Poor” to service quality. What is the margin of error? What are the lower (or left) and upper (or right) endpoints of the confidence interval? Interpret your results.Conduct a hypothesis test (using either the p-Value Approach or the Critical Value Approach) to determine if the proportion of all recent clients is more dissatisfied than the traditional level of dissatisfaction. Use α = 0.08. Do not forget to include the correctly worded hypotheses and show all the steps required to conduct the hypothesis test.What advice would you give to A1 Hotels based upon your analysis of the data? What is the magnitude of the issue? How can this study be improved?Write a report that adheres to the Written Assignment Requirements under the heading “Expectations for CSU-Global Written Assignments” found in the CSU-Global Guide to Writing and APA Requirements (Links to an external site.)Links to an external site.. As with all written assignments at CSU-Global, you should have in-text citations and a reference page. An example paper is provided in the MTH410 Guide to Writing with Statistics. (link provided in the Modules tab)Submit your Excel file in addition to your report.Requirements:Paper must be written in third person.Your paper should be four to five pages in length (counting the title page and references page) and cite and integrate at least one credible outside source. The CSU-Global Library (Links to an external site.)Links to an external site. is a great place to find resources.Include a title page, introduction, body, conclusion, and a reference page.The introduction should describe or summarize the topic or problem. It might discuss the importance of the topic or how it affects you or society as a whole, or it might discuss or describe the unique terminology associated with the topic.The body of your paper should answer the questions posed in the problem. Explain how you approached and answered the question or solved the problem, and, for each question, show all steps involved. Be sure this is in paragraph format, not numbered answers like a homework assignment.The conclusion should summarize your thoughts about what you have determined from the data and your analysis, often with a broader personal or societal perspective in mind. 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Discussion: Statistical Significance and Meaningfulness
To prepare for this Discussion:Review the Learning Resources related to hypothesis testing, meaningfulness, and statistica ...
Discussion: Statistical Significance and Meaningfulness
To prepare for this Discussion:Review the Learning Resources related to hypothesis testing, meaningfulness, and statistical significance.Review Magnusson’s web blog found in the Learning Resources to further your visualization and understanding of statistical power and significance testing.Review the American Statistical Association’s press release and consider the misconceptions and misuse of p-values.Consider the scenario: A research paper claims a meaningful contribution to the literature based on finding statistically significant relationships between predictor and response variables. In the footnotes, you see the following statement, “given this research was exploratory in nature, traditional levels of significance to reject the null hypotheses were relaxed to the .10 level.”Reading materials https://www.amstat.org/asa/files/pdfs/P-ValueStatement.pdfhttps://rpsychologist.com/index.html
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