the mean of 200 items was 50 later on it was discovered that the two items was misread as 92 and 8 instead of 192 and 88 find the correct mean
the mean of 200 items was 50 later on it was discovered that the two items was misread as 92 and 8 instead of 192 and 88 find the correct mean
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as
200*50=10000
10000+100+80=10180
10180/200=50.9