A data set has a median of 12, an upper quartile of 15, a lower quartile of 10, a minimum of 4, and a maximum of 20. Which statement is true of the box plot of this data set?

A box plot’s box extends from the lower quartile to the upper quartile, so this box goes from 10 to 15. A line inside the box marks the median, which is 12. Therefore, the true statement is that a line dividing the box will be at 12.

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