Question

What is the mean of the following numbers?


x-3a,x-2a,x-a,x,x+a

Answer 1

x-a

Explanation:

Mean=sum of data /no of data

=x-3a+x-2a+x-a+x+x+a/5

=5x-5a/5

=5(x-a)/5

=x-a