Question

If X bar is the mean of the operation x1 +x2+x3.........., Xn, find the mean of x1 + 5 , x2+5 ........., xn+5.

Answer 1

hope this helps you and pls thanks for the answer

Answer 2

Given,

X= {x1 + x2 + x3 + ... xn} / n

new mean X = {(x1+5)  +  (x2+5)  + ...(xn+5)}  / n

                       = X + (5n) / n  = X + 5

therefore the new means is X = X + 5