Question

The age (in years) of 10 boys are given below. Find their mean age.
12, 14, 15, 10, 6, 8,5, 18, 13, 19,​

Answer 1

Step-by-step explanation:

Mean age of boys:

${ \bar x = \frac{12 + 14 + 15 + 10 + 6 + 8 + 5 + 18 + 13 + 19}{10}} \\ = \frac{120}{10} \\ = 12 \: years \\ Thus \: mean \: age \: of \: boys \: is \: 12 \: years.$