Question

Calculate the mean of the set of boys and girls below:

boys 21, 18, 20, 16, 16, 22, 28, 24, 26

girls 13, 16, 15, 14, 15, 19, 22, 26, 12

A-boys: 21.22 girls: 16.89

b-boys, 21 girls, 15

c-boys 18.5 girls 17

d-boys 18.5 girls 15

Answer 1

Boys: 21.22 Girls: 16.89

Answer: A

Explanation:

Add all the data points and divide it by the number of the data points.