-If x bar is the mean of n observation x1,x2,......,xn them the mean o

Class 9

- If x bar is the mean of n observation x1,x2,......,xn them the mean of observation x1 -a, x2 -a,.....(xn -a) is x bar -a(or show if observation is decreased by a, then the mean is also decreased by a

Karan Singh

Dec. 3, 2017, 10:58 p.m.

Answers!

Davneet Singh

Dec. 4, 2017, 10:21 p.m.

Hello Karan

We do this question same as this - https://www.teachoo.com/5146/659/Example-18---If-each-observation-x1--x2--x3-is-increased-by-a/category/Examples/

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