Math, asked by helly17, 11 months ago

the mean of 8 obs were found to be 20 later on 17 was debated that one of the obs.was misread what is the correct observation if the correct mean is 15.5

Answers

Answered by bharath0719

0

20*17=340 and 20*15.5=310 the answer is 340-310=30

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