A highly rated community college has over60,000 students and seven different campuses. One of its highest density classes offered is Introduction to Statistics. The statistics course is required for nearly every major offered at the college and therefore is considered a strategic course for the college. Thecollege's leadership is very interested in the relationship between the class size of its statistics courses andstudents' final grades for the course.Specifically, the college is concerned with the low pass rate of some of its class sections and is determined to remedy the situation. Thecollege's institutional research department recently collected data for analysis in order to supportleadership's upcoming discussion regarding the low pass rate of some of its statistics class sections. Final grades from a random sample of 300 class sections over the last five years were collected. The research division also conductedanalysis, using archiveddata, to determine the class size of these 300 class sections. The ClassNumber, Campus, ClassSize, Average FinalGrade, Number of"F"s, Average G.P.A. andSuccessful/Unsuccessful data were collected for these 300 class sections.

Use the Empirical Rule with a mean of 2.66 and a standard deviation of 0.23.

Between what two values do68% of the Average G.P.A. datafall?

A.

Between 2.20 and 3.12

B.

Between 1.74 and 3.58

C.

Between 0.23 and 2.66

D.

Between 1.51 and 3.81

E.

Between 2.43 and 2.89

F.

Between 1.97 and 3.35

Between what two values do95% of the Average G.P.A. datafall?

A.

Between 2.43 and 2.89

B.

Between 1.51 and 3.81

C.

Between 0.23 and 2.66

D.

Between 1.74 and 3.58

E.

Between 2.20 and 3.12

F.

Between 1.97 and 3.35