Mrs. Myles gave the same test to both her first and third period class. In first period, the mean was 75 and the range was 30. In third period, the mean was 85 and the range was 50. Which is a true statement?

A) Most of third period scored in the 80's.

B) More people had a score in the 70's in first period.

C) On average, third period did better than first period.

D) On average, first period did better than third period.

Question

Barrett Newman

Mathematics

23 December, 14:46

Mrs. Myles gave the same test to both her first and third period class. In first period, the mean was 75 and the range was 30. In third period, the mean was 85 and the range was 50. Which is a true statement?

A) Most of third period scored in the 80's.

B) More people had a score in the 70's in first period.

C) On average, third period did better than first period.

D) On average, first period did better than third period.

+2

Answers (1)

Know the Answer?

Nathalia Mcdowell · Answer 1

The right answer for the question that is being asked and shown above is that: " C) On average, third period did better than first period. " I n third period, the mean was 85 and the range was 50. The statement that is true is that C) On average, third period did better than first period.