It is known that the average final grade in Statistics is normally distributed with = 71. Does requiring students to complete weekly Problem Sets result in better performance in a Statistics course?

Ten students are randomly chosen at the beginning of a Statistics course and each week of the course they are given a set of 10 calculation problems to complete. Shown below are the final grades at the end of the course for these ten students:

78, 72, 73, 75, 72, 73, 75, 71, 79, 70

Conduct the steps of hypothesis testing. Use a one-tail test and 1% alpha