The graph compares shoe sizes for a group of 100 two-year-old boys and a
group of 60 three-year-old boys.

About how many more two-year-old boys have a shoe size of 6 or less, compared to the three-year-old boys?

The graph compares shoe sizes for a group of 100 twoyearold boys and a group of 60 threeyearold boys About how many more twoyearold boys have a shoe size of 6 o class=