Question

The table below summarizes the number of children per household for a sample of 36 high-income families.Number of householdsNumber of children11152103What is the mean number of children per household for these familles? Round your answer to at least one decimal place.

Answer 1

Calculating the mean is simply finding the average of data set.

Mean = Total number of children/ Total number of household

=9 /36

= 1/4

=0.25

This means that 1 out of 4 families have 1 child in the total numbers of 36 household.