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Problem-Solving and Data Analysis Difficulty: Easy

The bar graph shows the distribution of the number of students in each of four extracurricular activities at a high school.

How many more students are in drama than in chess?

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Explanation

Choice A is correct. It's given that the bar graph shows the distribution of the number of students in each of four extracurricular activities at a high school. The bar representing drama has a height of $40$ ; therefore, there are $40$ students in drama. The bar representing chess has a height of $30$ ; therefore, there are $30$ students in chess. Thus, there are $40 minus 30$ , or $10$ more students in drama than in chess.

Choice B is incorrect. This is the number of students in chess.

Choice C is incorrect. This is the number of students in drama.

Choice D is incorrect. This is the sum of the number of students in drama and in chess.