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OpenStax, Statistics §2.4 Box Plots · Try It 2 · Statistics · Data displays

Box Plots · Try It 2

The following data set shows the heights in inches for the boys in a class of 40 students:
66, 66, 67, 67, 68, 68, 68, 68, 68, 69, 69, 69, 70, 71, 72, 72, 72, 73, 73, 74.
The following data set shows the heights in inches for the girls in a class of 40 students:
61 61, 62, 62, 63, 63, 63, 65, 65, 65, 66, 66, 66, 67, 68, 68, 68, 69, 69, 69.
Construct a box plot using a graphing calculator for each data set, and state which box plot has the wider spread for the middle 50 percent of the data.

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OpenStax, Statistics · §2.4 Box Plots · Try It 2

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