Math, asked by subhavi5s1hsmanigoel, 1 year ago

1.mean of 15 observations is 15.if 25 is subracted from the sum of observation .find the new sum of observations

Answers

Answered by MANIDEEP45

1

SUM OF ALL OBSERVATIONS 15*15=225
25 IS SUBRACTED SO 225-25=200
SO NEW MEAN =200/14
MEAN =14.285

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