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 Aug 12, 2020
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Quiz scores for a group are 50, 75, 70, 80, 100, x, and y. Find values for x and y so that all the following conditions are met: 

1/     the mode is 70

2/     the median score is 75

3/     the mean score is 77

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Scores are:   50, 75, 70, 80,100, x, and y

 

Mode //   If the mode is 70, either x or y must be 70.      x = 70

 

Mean //    (50+70+70+75+ 80 +100+y) / 7 = 77       y = 94

 

Median //   50,70,70,75,80,94,100

 Aug 13, 2020
edited by Dragan  Aug 13, 2020

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