Question

A soccer club had 22 members with a mean age of 19.
Then 22 new members joined. One is 17 years old, and the other is

30 years old.How did the mean age change after they joined?

Answer 1

Explanation:

number of members=22

mean age=19 years

Total age of 22 members=22×19=418 years

age of new members=17 years and 30 years

Total age of 24 members=418+17+30=465 years

mean=465÷24=19.375 years

Answer 2

=19.375 years

Explanation: