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Suppose that the mean score of a class of 35 students was 74. The 17 male students in the class had a mean score of 72. What was the mean score for

Suppose that the mean score of a class of 35 students was 74. The 17 male students in the class had a mean score of 72. What was the mean score for the 18 female students?

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Hi, Please find the... View the full answer

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Let the mean score of female students
were x.
So, using the equation
35*74 = 17*72+x*18
Or, 2590 = 1224 + 18x
So, 18x = 2590-1224 = 1366
Therefore x = 1366/18 = 75.89 (Ans)

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