The high school athletic director is asked if football players are doing as well academically as the other student athletes. we know from a previous study that the average gpa for the student athletes is 3.10. after an initiative to improve the gpa of student athletes, the athletic director randomly samples 20 football players and finds that the average gpa of the sample is 3.18 with a sample standard deviation of 0.54. use a 0.05 significance level.

a. state the null hypothesis in words.
b. state the alternative hypothesis in words.
c. determine the p-value and test statistic.
d. clearly state the decision.