English, asked by simranantaal98, 9 months ago

the mean of 20 numbers is 13.The new mean if each observation is increses

Answers

Answered by rajeshbsf0979

0

Explanation:

total means of twenty numbers is = 20

13 = 260. total means = 21. total

means of 21 numbers = 21* 13 = 273.

and new mean increased by 5.

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