?Large Data Sets from Appendix B. In Exercises 17 and 18, use the data set in Appendix
Chapter 7, Problem 17(choose chapter or problem)
Large Data Sets from Appendix B. In Exercises 17 and 18, use the data set in Appendix B. Assume that each sample is a simple random sample obtained from a population with a normal distribution.
Student Evaluations Refer to Data Set 17 “Course Evaluations” in Appendix B.
a. Use the 93 course evaluations to construct a 95% confidence interval estimate of the stan- dard deviation of the population from which the sample was obtained.
b. Repeat part (a) using the 93 professor evaluations.
c. Compare the results from part (a) and part (b).
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