+1486 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
