Question

Work out the age of the new player

Answer 1

a) (19 + 20(2) + 21(2) + 22(5) + 23)/11 =

(19 + 40 + 42 + 110 + 23)/11 = 21.3 years

b) (19 + 40 + 42 + 110 + 23 + a)/12 = 22

(234 + a)/12 = 22

234 + a = 264, so a = 30

The new player is 30 years old.