A large university administers entrance exams to all entering students. The test is administered again as an exit exam for all graduates. The test results forgone group of students are:

a. The scores for five students on both tests are listed below. For each student, calculate Z scores and then determine whether they performed better as freshmen or as seniors.

b. Determine the probabilities that randomly selected students will have scores in each of these ranges:

Transcribed Image Text:

Freshman Year X= 53 Senior Year X= 92