Question

Find the mean of first seven composite numbers 4,6,8,9,10,12,14

Answer 1

mean = sum of all observations ÷ no.of observations

mean = 4+6+8+9+10+12+14÷ 7
=63÷7
= 9

Hope it helps :)

Answer 2

Mean = Sum of all numbers÷ total no.
=4+6+8+9+10+12+14÷7
=63÷7
=9