Math, asked by anvayabhi, 1 year ago

The mean of 90 observation was calculated 50.Later it was detected that 2 values were misread as 92 and 8 instead of 192 and 88.Find correct maen

Answers

Answered by Anonymous

16

Total=90*50=4500
New total=4500-92-8+192+88=4680
New mean=4680/50=93.6
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