A four-year university has decided to implement new approach to teaching Statistics. Full-time and adjunct professors were surveyed to determine whether they preferred the traditional lecture approach or a computer approach to teaching Statistics. Use hypothesis testing to test the independence of opinion between the two groups.

Table

Prefer Lecture Prefer Computer No Preference

Full-time 8 13 6

Adjunct 11 22 10

1) Compute the expected value of an adjunct professor who prefers to lecture.

A) 21.50 B) 9.83 C) 11.67 D) 7.33

2) What is the expected value of an adjunct professor who prefers computer instruction?

A) 11.67 B) 21.50 C) 9.83 D) 13.50