IB skill practice

Interpret box plots and outliers

Read quartiles, interquartile range, skew, and outliers from summary displays.

Paper 2 5 marks Difficulty 3

Interpret box plots and outliers - box-plot fence A14

A box plot has \(Q_1=26\) and \(Q_3=36\). Enter the upper outlier fence \(Q_3+1.5\operatorname{IQR}\).

Worked practice: result and interpretation

Calculate the requested result first, then choose the interpretation that follows from it.