Mathematics, 12.10.2020 20:01 jaffeisabel

A class of 27 students had a mean of 83 on a math quiz. The 12 girls in the class had a mean of 80.5 on the quiz. What was the mean of the boys’ scores? a. 77
b. 77.5
c. 85
d. 85.5

Answers: 2

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A class of 27 students had a mean of 83 on a math quiz. The 12 girls in the class had a mean of 80.5...