Question

answer with solution​

Answer 1

Given.,

The arithmetic mean of X1 ,X2 ,X3,...Xn is 1

ie,X1 +X2 +X3+......Xn /n = 1

The arithmetic mean of X1/k ,X2/k, X3/k,.....Xn/k is

( X1/k+X2/k+X3/k+......Xn/k )/n

bring out 1/k in common,

1/k (X1 + X2 +......Xn )/n

by given.,

1/k(1)

1/k.