Math, asked by Umapathi3904, 11 months ago

The mean of 6 number is 23 .See if one of the number is excluded the mean of the remaining number t is 20 find the excluded number

Answers

Answered by AbhinavKumarSri
0

Mean= Sum of observations/No. of observations

23= Sum/6

Sum= 138


20=Sum/5

Sum=100


Excluded number= 138-100=38

The excluded number is 38.

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