The mean of `n` observations is ` X dot` If each observation is multiplied by `k ,` the mean of new observation is `k X ` (b) `( X )/k` (c) ` X +k` (d) ` X -k`

Explanation

Given:

Mean ` = ( x 1 + x 2 + . . . , + n t e r m s )/N`

`=>(x1+x2+...,+nterms)/N`

`=>( k x 1 + k x 2 + . . . , + n t e r m s)/ N`

` =>k(x1+kx2+...,+nterms)/N `

`=> k (Mean)`

`=> kX`