The population mean for a statistics test in a class that is
usually taken by juniors and seniors is 75 (out of 85). A random
sample of 15 sophomores is selected from the course. The research
question is whether or not sophomores are different from the
average student. The scores are:
76,76,66,49,84,72,72,50,56,62,65,71,60,82,73
A) State the null and alternative hypothesis: which I have null
being equal to 75 and alternative being not equal to 75.
B) Explain why T-Test is suitable....