Problem 3 A sample of students from an introductory statistical methods class were polled regarding the number of hours they spent studying for the final exam. Only 24 students of the 50 students that were in the class responded unanimously. The data was used to make inferences regarding the other students taking the course. There data are below: 4.5 5 22 9 7 10.5 14.5 15 9 19 9 2.5 3.5 5 8 9 7.5 8.5 18 20 20 8. 3 a) Compute a 95 percent confidence interval for the number of hours studying for the final exam. 3 b) What does this confidence interval tell us