Question

the mean of set of numbers is x bar if each number is multiplied by k then find the mean of the new set

Answer 1

x*1/x= 1
k=1
k-1=0
x bar into x = 1 and k

Answer 2

Answer:

Step-by-step explanation:

Let the original sum be S.

Let the no. Of terms be n.

So, ATQ-

x= S÷n---------1

New sum=kS

So, new mean= kS÷n

From 1------> kS÷S/x

=kx