Mathematics

Sarge

25 July, 16:23

Two sections of a class took the same quiz. Section A had 15 students who had a mean score of 80, and section B had 20 students who had a mean score of 90. Overall, what was the approximate mean score for all the students on the quiz?

A. 84.3

B. 85

C. none of these

D. cannot be determined

+4

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