For the data sets shown in Exercises 13–16, assume the populations are normal, and do the following:

  1. Calculate and .
  2. Find .
  3. Construct and interpret a 95% confidence interval for .

Question 8.110

13.

4 5 3 5 3

8.2.13

(a) (b) (c) (2.759, 5.241). We are 95% confident that the population mean lies between 2.759 and 5.241.