Question

If is a mean of X1, X2, X3 ------- Xn then the mean of ax, ax2 ....... axn is a r,
where a is any number different from 2 era i.e. Il each observation is multiplied
by a non 2 era number a, then the mean is also multiplied by a.​

Answer 1

Answer:

X2

X3

2 era number line is it mean also X1 then multiply by 20 or 2 then answer will get I don't if it is correct I think it is not correct because I don't know maths ok