A U.S based internet company offers an on-line proficiency coursein basic accounting. Completion of this online course satisfies the"Fundamentals of Accounting" course requirement in many MBAprograms. In the first semester 315 students have enrolled in thecourse. The marketing research manager divided the country intoseven regions of approximately equal populations. The courseenrollment values in each of the seven regions are given below. Themanagement wants to know if there is equal interest in the courseacross all regions.

Region Enrollment

1 45

2 60

3 30

4 40

5 50

6 55

7 35

First calculate the expected value (Mean) of enrollment for eachregion if they were equal, then calculate the value of thechi-square statistic.

A. 0

B. 2.22

C. 15.56

D. 2.89

E. None of the above