Math, asked by varabhushan74, 10 months ago

If the mean of a set of observations X1,X2,.......,.......,X10 is 20.Find the mean of X1+4,X2+8,X3+12,.......,.......,X10+40.

Answers

Answered by amitmangal10

4

Answer:

42

(4+8+12+16+20+24+28+32+36+40)/10 = 22

mean= 20+22 = 42

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