Starting with the data from problem 17 in the file P08_17.xlsx, restructure the data so that you have a table of counts. Then use StatTools on the counts to answer the same questions as in problem 17.
Answer to relevant QuestionsStarting with the data from problem 18 in the file P08_18.xlsx, restructure the data so that you have a table of proportions. Then use StatTools on the proportions to answer the same questions as in problem 18.The Wall Street Journal CEO Compensation Study analyzed CEO pay from many U.S. companies with fiscal year 2008 revenue of at least $5 billion that filed their proxy statements between October 2008 and March 2009. The data ...You have been assigned to determine whether more people prefer Coke or Pepsi. Assume that roughly half the population prefers Coke and half prefers Pepsi. How large a sample do you need to take to ensure that you can ...The widths of 100 elevator rails have been measured. The sample mean and standard deviation of the elevator rails are 2.05 inches and 0.01 inch. a. Find a 95% confidence interval for the average width of an elevator rail. Do ...Find a 95% confidence interval for the difference between the mean amount of the highest cost item purchased for the High customer category and the similar mean for the Medium customer category. Do the same for the ...
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