SOLUTION: Suppose that the mean score of a class of 33 students was 80. The 15 male students in the class had a mean score of 68. What was the mean score for the 18 female students?
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Question 830671: Suppose that the mean score of a class of 33 students was 80. The 15 male students in the class had a mean score of 68. What was the mean score for the 18 female students? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Suppose that the mean score of a class of 33 students was 80. The 15 male students in the class had a mean score of 68. What was the mean score for the 18 female students?
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Total points: 33*80
Total male points 15*68
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Total female points: 18x
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Equation:
18x = 33*80-15*68
18x = 1620
x = 90 (average female score)
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Cheers,
Stan H.
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