A data set has lower quartile = 31.5

MATHEMATICS · Multi-part · AP · AP Statistics · Exploring One-Variable Data · Exploring One-Variable Data

Problem

A data set has lower quartile = 31.5, median = 37, and upper quartile = 43.5. (1) Calculate the interquartile range for this data set. (2) Calculate the boundaries that identify outliers. (3) The smallest values of the data set are 13 and 20. The largest values are 52 and 55. Which of these are outliers? (4) Draw a box plot of the data set.

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