Math, asked by omm2354, 11 months ago

The mean of 5 observations is 20.if 2 is subtracted from each observation then the mean of the new set of data is

Answers

Answered by haridasan85

1

Answer:

Total of 5 observation-=20x5=loo

When 2 is subtracted, 5x2=lo

Ioo-lo=90

new mean = 90/5=18

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