Bar Graphs and Box Plots Practice Test

A box plot shows that a dataset has a minimum value of 12, first quartile of 18, median of 24, third quartile of 30, and maximum value of 42. If three additional data points (15, 27, and 36) are added to the dataset, which of the following statements about the new box plot is most likely to be true?

A box-and-whisker plot displays test scores where the whiskers extend from 45 to 95, the box extends from 70 to 85, and the median line is at 78. If a student scored at the 90th percentile, approximately where would their score fall on this plot?