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OpenStudy (anonymous):
Romero has the following scores on his math tests: 79, 86, 95, 88. How much would his mean change if the lowest test score is dropped? Round to the nearest whole number.
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OpenStudy (amistre64):
| (add)/4 - (add-low)/3 | perhaps?
OpenStudy (anonymous):
mean = 87 drop - 79 new mean = 89.67 89.67 - 87 = 2.66667
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