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8 questions , state the null and alternative hypotheses, statistics homework help
1.For the following conjecture, state the null and alternative hypotheses. The average age of community college students i ...
8 questions , state the null and alternative hypotheses, statistics homework help
1.For the following conjecture, state the null and alternative hypotheses. The average age of community college students is 24.6 years.2. For the following conjecture, state the null and alternative hypotheses.The majority of college students have credit cards.3. For the following conjecture, state the null and alternative hypotheses. The average pulse of male marathon runners is less than 70 beats per minute.4. For the following conjecture, state the null and alternative hypotheses.The proportion of homes with extinguishers is 0.80.5. Find the critical value, assuming that the normal distribution applies. Two-tailed test, alpha = 0.01 +/- 2.57582.5758-2.5758+/-0.010.01-0.016. Find the critical value, assuming that the normal distribution applies.Right-tailed test, alpha = 0.02 2.05+/-2.05-2.05+/-0.02-.0.020.027. The critical region is defined by the critical value -2.33. The test statistic value is 1.7. Would you reject or fail to reject the hypothesis?8. The critical region is defined by the critical values . The value of the statistic is 1.8. Would you reject or fail to reject the hypothesis?
MAT 202 Belhaven University Quantitative Reasoning Questions
Question 1Excel Assignment 3: StatisticsMicrosoft Excel has numerous built-in functions for descriptive statistics as well ...
MAT 202 Belhaven University Quantitative Reasoning Questions
Question 1Excel Assignment 3: StatisticsMicrosoft Excel has numerous built-in functions for descriptive statistics as well as probability distributions like the Normal Distribution.1. Average(value1, value2), Quartile.Inc(value1, value2, value 3), Median(value1, value2), Min(value1, value2), Max(value1, value2), StDev.S(value1, value2)Many descriptive stats functions work in a similar way to the Count and Sum functions. The Average, Median, Min, Max, and StDev.S functions gives the mean, median, minimum value, maximum value, and sample standard deviation respectively between value1 and value2. The Quartile.Inc function gives the quartile number value3 (with value3 being between 1 and 4) between value1 and value2.2. To find probabilities (or percentiles) with the Normal Distribution, let us use a for the mean and b for the standard deviation. Then Norm.Dist(k, a, b, True) gives the probability that a randomly selected value, x, is less than (or less than or equal to) k.That means, using the law of complements, that finding the probability that x is greater than (or greater than or equal to) k is 1 – Norm.Dist(k, a, b, True).Exercises: Open a new spreadsheet in Microsoft Excel and complete the following.1. Type the following words in given cells. Cell WordB1 ValueC1 StatsC2 CountC3 SumC4 MeanC5 MinC6 Q1Cell WordC7 MedianC8 Q3C9 MaxC10 Standard Dev. G1 Normal Dist Q F2 MeanF3 Standard Dev. 2. In cell A2, type “=RandBetween(1,10)”, and drag this formula from A2 down to A26. You have now created 25 random numbers between 1 and 10.3. THIS IS IMPORTANT. The problem with RandBetween is that it will generate a new set of values every time the user performs a new calculation. To keep the values we h ave, highlight cells A2 to A26 (hold down the SHIFT key and tap the DOWN button to do so). Copy these values. In cell B2, right click the mouse and select PASTE VALUES. Now the values in the B column will stay the way we want them.MAT 202 Quantitative Reasoning4. In cell D2, type “=COUNT(B2:B26)”, and in cell D3, type “=Sum(B2:B26)” to get the count and sum of the values in our data set.5. In a similar way, in D4, type “=Average(B2:B26)” to calculate the mean. In D5, type “=Min(B2:B26)” and in D9, type “=Max(B2:B26)” to calculate the minimum and maximum values in our data set.6. To find the median, in D7, type “=Median(B2:B26)”, and in D6 and D8, type “=Quartile.Inc(B2:B26, 1)” and “=Quartile.Inc(B2:B26,3)” to find the first and third quartiles respectively. Note, we could also use “=Quartile.Inc(B2:B26, 2)” to the find the median.In the future, that may be a faster method, as we could drag the formula down the B column to find our quartiles.7. In cell D10, find the sample standard deviation by “=StDev.S(B2:B26)”. If you need the population standard deviation (only needed if our sample size is larger than about 30), use “=StDev.P(value1, value2).Normal Distribution Exercises: Suppose heights of lavender plants are normally distributed with a height of 21” and a standard deviation of 4”. Suppose that you select a lavender plant (randomly) in your garden.In cells G2 and G3, type “21” and “4” respectively.1. What’s the probability that your selected lavender plant has a height of 22” or less? In cell F5, type “P(x leq 22)”, and in cel l G5 calculate this probability.We can calculate this by typing “=Norm.Dist(22, G2, G3, True)” to get the value 0.598706326.2. What’s the probability that your selected lavender plant has a height greater than 22”? In cell F6, type “P(x > 22)”, and in cell G6 calculate this probability.We can calculate this by typing “=1 - Norm.Dist(22, G2, G3, True)” to get the value 0.401293674.3. What’s the probability that your selected lavender plant has a height greater than 14”? In cell F7, type “P(x > 14)”, and in cell G7 calculate this probability.We can calculate this by typing “=1 - Norm.Dist(14, G2, G3, True)” to get the value 0.959940843.MAT 202 Quantitative Reasoning8. Save and submit your spreadsheet in Canvas under Excel Assignment 2Question 2Prompt: We have talked about the importance of having a representative sample. Explain how it could be misleading and even dangerous to not have a good sample for a statistic test.Requirements: 250 words minimum initial post, 100 words minimum replyQuestion 3Prompt: Find an example of descriptive statistics and an example of inferential statistics common to everyday life.Requirements: 250 words minimum initial post, 100 words minimum replyQuestion 2
answer two question below
1- Post your thoughts about Case 1.1 Entertainment on a Cruise Ship that you were asked to read this week. Comment on the ...
answer two question below
1- Post your thoughts about Case 1.1 Entertainment on a Cruise Ship that you were asked to read this week. Comment on the open-ended questions associated with the case 2- Post your thoughts about this video lecture: The Best Stats You Have Ever Seen. To what extent do you think that the visual presentation of data (which is a strength of statistics) provides useful information for policy makers? Which part of the presentation did you find most personally informative and revealing?Please, each answer on a separate page.
Horace Mann School Binary Representation IT Related Math Questions
Homework: Answer 33 IT-related math questions. Example:. What is the correct binary representation of 41?0001001101101101 ...
Horace Mann School Binary Representation IT Related Math Questions
Homework: Answer 33 IT-related math questions. Example:. What is the correct binary representation of 41?00010011011011011001000100101001What is the purpose of a subnet mask in an IP address and mask combination?To indicate the default gateway IP addressTo dictate the physical location of the addressTo save on the possible addresses that you can use in the networkTo delineate the network portion of the address from the host portion
Sales Forecasting Using Regression Analysis in Machine Learning Applications Paper
For this final paper, you will develop a research proposal to solve a business problem choosing one of the statistical tec ...
Sales Forecasting Using Regression Analysis in Machine Learning Applications Paper
For this final paper, you will develop a research proposal to solve a business problem choosing one of the statistical techniques we covered in this course. Your paper must:Tasks:Assess a business problem.Justify statistical technique choice for your problem.Analyze three peer-reviewed research articles applying your chosen statistical technique to similar business problems.Synthesize the anticipated type of data you will use for the statistical analysis.Propose expected results.Evaluate how the analysis results would help solve your business problem.The statistical methods to choose from are as follows: Scatter plot, multiple linear regression, simple linear regression, t test for the population mean, z-test for the population mean, independent samples t test, two sample hypothesis testing, one way analysis of variance, two way analysis of variance, chi square goodness of fit, and chi test of independence.
4 pages
Week 10 Discussion Hypothesis Testing
Use the Internet or Strayer Library to research articles on hypothesis test and its application in business. Select one (1 ...
Week 10 Discussion Hypothesis Testing
Use the Internet or Strayer Library to research articles on hypothesis test and its application in business. Select one (1) company or organization ...
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8 questions , state the null and alternative hypotheses, statistics homework help
1.For the following conjecture, state the null and alternative hypotheses. The average age of community college students i ...
8 questions , state the null and alternative hypotheses, statistics homework help
1.For the following conjecture, state the null and alternative hypotheses. The average age of community college students is 24.6 years.2. For the following conjecture, state the null and alternative hypotheses.The majority of college students have credit cards.3. For the following conjecture, state the null and alternative hypotheses. The average pulse of male marathon runners is less than 70 beats per minute.4. For the following conjecture, state the null and alternative hypotheses.The proportion of homes with extinguishers is 0.80.5. Find the critical value, assuming that the normal distribution applies. Two-tailed test, alpha = 0.01 +/- 2.57582.5758-2.5758+/-0.010.01-0.016. Find the critical value, assuming that the normal distribution applies.Right-tailed test, alpha = 0.02 2.05+/-2.05-2.05+/-0.02-.0.020.027. The critical region is defined by the critical value -2.33. The test statistic value is 1.7. Would you reject or fail to reject the hypothesis?8. The critical region is defined by the critical values . The value of the statistic is 1.8. Would you reject or fail to reject the hypothesis?
MAT 202 Belhaven University Quantitative Reasoning Questions
Question 1Excel Assignment 3: StatisticsMicrosoft Excel has numerous built-in functions for descriptive statistics as well ...
MAT 202 Belhaven University Quantitative Reasoning Questions
Question 1Excel Assignment 3: StatisticsMicrosoft Excel has numerous built-in functions for descriptive statistics as well as probability distributions like the Normal Distribution.1. Average(value1, value2), Quartile.Inc(value1, value2, value 3), Median(value1, value2), Min(value1, value2), Max(value1, value2), StDev.S(value1, value2)Many descriptive stats functions work in a similar way to the Count and Sum functions. The Average, Median, Min, Max, and StDev.S functions gives the mean, median, minimum value, maximum value, and sample standard deviation respectively between value1 and value2. The Quartile.Inc function gives the quartile number value3 (with value3 being between 1 and 4) between value1 and value2.2. To find probabilities (or percentiles) with the Normal Distribution, let us use a for the mean and b for the standard deviation. Then Norm.Dist(k, a, b, True) gives the probability that a randomly selected value, x, is less than (or less than or equal to) k.That means, using the law of complements, that finding the probability that x is greater than (or greater than or equal to) k is 1 – Norm.Dist(k, a, b, True).Exercises: Open a new spreadsheet in Microsoft Excel and complete the following.1. Type the following words in given cells. Cell WordB1 ValueC1 StatsC2 CountC3 SumC4 MeanC5 MinC6 Q1Cell WordC7 MedianC8 Q3C9 MaxC10 Standard Dev. G1 Normal Dist Q F2 MeanF3 Standard Dev. 2. In cell A2, type “=RandBetween(1,10)”, and drag this formula from A2 down to A26. You have now created 25 random numbers between 1 and 10.3. THIS IS IMPORTANT. The problem with RandBetween is that it will generate a new set of values every time the user performs a new calculation. To keep the values we h ave, highlight cells A2 to A26 (hold down the SHIFT key and tap the DOWN button to do so). Copy these values. In cell B2, right click the mouse and select PASTE VALUES. Now the values in the B column will stay the way we want them.MAT 202 Quantitative Reasoning4. In cell D2, type “=COUNT(B2:B26)”, and in cell D3, type “=Sum(B2:B26)” to get the count and sum of the values in our data set.5. In a similar way, in D4, type “=Average(B2:B26)” to calculate the mean. In D5, type “=Min(B2:B26)” and in D9, type “=Max(B2:B26)” to calculate the minimum and maximum values in our data set.6. To find the median, in D7, type “=Median(B2:B26)”, and in D6 and D8, type “=Quartile.Inc(B2:B26, 1)” and “=Quartile.Inc(B2:B26,3)” to find the first and third quartiles respectively. Note, we could also use “=Quartile.Inc(B2:B26, 2)” to the find the median.In the future, that may be a faster method, as we could drag the formula down the B column to find our quartiles.7. In cell D10, find the sample standard deviation by “=StDev.S(B2:B26)”. If you need the population standard deviation (only needed if our sample size is larger than about 30), use “=StDev.P(value1, value2).Normal Distribution Exercises: Suppose heights of lavender plants are normally distributed with a height of 21” and a standard deviation of 4”. Suppose that you select a lavender plant (randomly) in your garden.In cells G2 and G3, type “21” and “4” respectively.1. What’s the probability that your selected lavender plant has a height of 22” or less? In cell F5, type “P(x leq 22)”, and in cel l G5 calculate this probability.We can calculate this by typing “=Norm.Dist(22, G2, G3, True)” to get the value 0.598706326.2. What’s the probability that your selected lavender plant has a height greater than 22”? In cell F6, type “P(x > 22)”, and in cell G6 calculate this probability.We can calculate this by typing “=1 - Norm.Dist(22, G2, G3, True)” to get the value 0.401293674.3. What’s the probability that your selected lavender plant has a height greater than 14”? In cell F7, type “P(x > 14)”, and in cell G7 calculate this probability.We can calculate this by typing “=1 - Norm.Dist(14, G2, G3, True)” to get the value 0.959940843.MAT 202 Quantitative Reasoning8. Save and submit your spreadsheet in Canvas under Excel Assignment 2Question 2Prompt: We have talked about the importance of having a representative sample. Explain how it could be misleading and even dangerous to not have a good sample for a statistic test.Requirements: 250 words minimum initial post, 100 words minimum replyQuestion 3Prompt: Find an example of descriptive statistics and an example of inferential statistics common to everyday life.Requirements: 250 words minimum initial post, 100 words minimum replyQuestion 2
answer two question below
1- Post your thoughts about Case 1.1 Entertainment on a Cruise Ship that you were asked to read this week. Comment on the ...
answer two question below
1- Post your thoughts about Case 1.1 Entertainment on a Cruise Ship that you were asked to read this week. Comment on the open-ended questions associated with the case 2- Post your thoughts about this video lecture: The Best Stats You Have Ever Seen. To what extent do you think that the visual presentation of data (which is a strength of statistics) provides useful information for policy makers? Which part of the presentation did you find most personally informative and revealing?Please, each answer on a separate page.
Horace Mann School Binary Representation IT Related Math Questions
Homework: Answer 33 IT-related math questions. Example:. What is the correct binary representation of 41?0001001101101101 ...
Horace Mann School Binary Representation IT Related Math Questions
Homework: Answer 33 IT-related math questions. Example:. What is the correct binary representation of 41?00010011011011011001000100101001What is the purpose of a subnet mask in an IP address and mask combination?To indicate the default gateway IP addressTo dictate the physical location of the addressTo save on the possible addresses that you can use in the networkTo delineate the network portion of the address from the host portion
Sales Forecasting Using Regression Analysis in Machine Learning Applications Paper
For this final paper, you will develop a research proposal to solve a business problem choosing one of the statistical tec ...
Sales Forecasting Using Regression Analysis in Machine Learning Applications Paper
For this final paper, you will develop a research proposal to solve a business problem choosing one of the statistical techniques we covered in this course. Your paper must:Tasks:Assess a business problem.Justify statistical technique choice for your problem.Analyze three peer-reviewed research articles applying your chosen statistical technique to similar business problems.Synthesize the anticipated type of data you will use for the statistical analysis.Propose expected results.Evaluate how the analysis results would help solve your business problem.The statistical methods to choose from are as follows: Scatter plot, multiple linear regression, simple linear regression, t test for the population mean, z-test for the population mean, independent samples t test, two sample hypothesis testing, one way analysis of variance, two way analysis of variance, chi square goodness of fit, and chi test of independence.
4 pages
Week 10 Discussion Hypothesis Testing
Use the Internet or Strayer Library to research articles on hypothesis test and its application in business. Select one (1 ...
Week 10 Discussion Hypothesis Testing
Use the Internet or Strayer Library to research articles on hypothesis test and its application in business. Select one (1) company or organization ...
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