(a)[1]
Find the relative frequency for families having 2 children.
(b)[2]
Find an estimate for the number of families with 2 children.
Mathematics 0580 · IGCSE · Relative and expected frequencies
Relative and expected frequencies — practice question
A random sample of 200 families was selected from the city’s families. For each family, the number of children was noted. The results are displayed in the table below.