Asked by diane
10 scores have a mean of 85.4, but one was enetered at 75 when it should have been 57 what is the new mean?
Answers
Answered by
Ms. Sue
10 * 85.4 = 854
854 - 75 = 779
779 + 57 = 836
836/10 = 83.6
854 - 75 = 779
779 + 57 = 836
836/10 = 83.6
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