Gemma is creating a histogram based on the table. Salary Range Number of People 0 - 19 dollars comma 999 40 20 dollars comma 000 - 39 dollars comma 999 30 40 dollars comma 000 - 59 dollars comma 999 35 Which scale can she use for the vertical axis such that the difference in the heights of the bars is maximized?

The bar heights represent 40, 30, and 35 people. To maximize the visible differences, use a vertical-axis scale that covers the data with the narrowest range. The scale 25–40 spans only 15 people, so it makes the differences between the bars look largest; therefore, the correct choice is 25–40.

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