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Problem-Solving and Data Analysis Difficulty: Easy

The bar graph shows the distribution of the number of students from one school who were born in one of four months.

How many more students were born in August than were born in July?

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Explanation

Choice D is correct. It's given that the bar graph shows the number of students from one school who were born in either July, August, September, or October. The bar representing the number of students born in August has a height of $50$ ; therefore, $50$ students were born in August. The bar representing the number of students born in July has a height of $40$ ; therefore, $40$ students were born in July. Thus, there were $50 minus 40$ , or $10$ more students born in August than in July.

Choice A is incorrect. This is the total number of students born in July and August.

Choice B is incorrect. This is the number of students born in August.

Choice C is incorrect. This is the number of students born in July.