Question

Find the mean of squares of first five whole numbers.

Answer 1

First five whole numbers are 0, 1, 2, 3, 4

Then square the whole prime numbers

= (0)², (1)², (2)², (3)², (4)²

= 0, 1, 4, 9, 16

∴ Mean = `(0+1+4+9+16)/5` .............(Here n = 5)

= `30/5`

= 6