Suppose the mean ACT score for high school seniors in Big City was 21; for Small Town seniors was 20 and for Tiny Berg seniors was 19. The mean of the seniors in the three places is
A) 20
B) less than 20
C) more than 20.

Question

Quizplus · Accepted Answer

The mean of the three places is (21 + 20 + 19) / 3 = 20. Therefore, the mean of the seniors in the three places is more than 20.

Suppose the Mean ACT Score for High School Seniors in Big