Question

The average of the squares of first 7 natural nubers is of first 7 natural numbers is??

Answer 1

Answer:

Step-by-step explanation

The first seven natural numbers =1,2,3,4,5,6,7

Squares of them=1,4,9,16,25,36,49

Average of the squares=

1+4+9+16+25+36+49/7

=140/7=20

Hope it helps