Step-by-step explanation: A box plot takes a large amount of data and clearly identifies the median, first quartile, and third quartile. The first quartile identifies the 25th percentile, and the third quartile identifies the 75th percentile.
To determine how the height of the student compares to 25% of his class, the value of the first quartile of the heights is needed.
Therefore, the best graph type to show how the student compares to 25% of his class is a box plot.
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