Use the table of random numbers in Appendix Table D Option. 1 to draw a random sample without…
Use the table of random numbers in Appendix Table D Option. 1 to draw a random sample without replacement of 31 students from the Student Database in Appendix E Option. a Option. List the steps you would follow in testing the scientific hypothesis that the population mean of the variable labeled GPA is different from that for the previous year where 0 = 2 Option. 7 Option. Let = Option. 05 Option. b Option. List the Participant Number and GPA for each person in your sample Option. Compute the mean and standard deviation of the variable labeled GPA Option. c Option. Test the null hypothesis that = 2 Option. 7, where 2 Option. 7 is the mean population GPA of students who enrolled in the statistics course last year Option. d Option. Use Appendix Table D Option. 8 to estimate the sample size needed to detect a large effect for = Option. 05 and 1 – = Option. 80 Option. e Option. Determine the p value of the t statistic using (i) Appendix Table D Option. 3 and (ii) the Microsoft Excel TDIST function Option. f Option. Construct a box plot for the data Option. Do the data contain outliers? Solve Does the sample distribution appear to be relatively symmetrical? Solve May 17 2022 10:49 AM
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