A survey of a group of seventh graders and a group of teachers at a local middle school asked how many siblings they each have.
The dot plots below show the results.
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Students
A dot plot titled Students. A number line going from 0 to 9 labeled number of siblings. There are 2 dots above 0, 4 above 1, 7 above 2, 5 above 3, 2 above 4, and 0 above 5, 6, 7, 8, and 9.
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Teachers
A dot plot titled Teachers. A number line going from 0 to 9 labeled Number of siblings. There is 1 dot above 0, 3 dots above 1, 2 above 2, 4 above 3, 5 above 4, 3 above 5, 1 above 6, 0 above 7, 1 above 8, and 0 above 9.
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Based on the shape of the two dot plots, which statements correctly compare them? Select three choices.
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The center of the data for students has a value less than that of the center of the data for teachers.
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The center of the data is to the right of the dot plot for both teachers and students.
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There is a greater variation in the data for teachers than for students.
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Both sets of data cluster around 2.
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The same number of teachers as students were surveyed.
