Author Question: Last school year, the student body of a local university consisted of 30 freshmen, 24 sophomores, 26 ... (Read 111 times)

a0266361136 · **on:** Jun 24, 2018

Last school year, the student body of a local university consisted of 30 freshmen, 24 sophomores, 26 juniors, and 20 seniors. A sample of 300 students taken from this year's student body showed the following number of students in each classification. Freshmen 83 Sophomores 68 Juniors 85 Seniors 64 We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year. At a .05 level of significance, the null hypothesis
a. should not be rejected.
b. should be rejected.
c. was designed wrong.
d. cannot be tested.

Question 2

In a multiple channel system
a. each server has its own queue.
b. each server has the same service rate.
c. >
d. All of the alternatives are correct.