A student was trying to select a professor for their class. she knew that the average grade for stats was 3.24. She emails 50 students who took the class and found out that their average grade was 3.6 with a standard deviation of 1.2. Should the student sign up for this professor's class? State a hypothesis and show the statistical test used to test it. What do the findings of the test tell the student?
sample 50
mean 3.6
std. 1.2