Practise the method.Example 1What is the minimum score?Distribution of scores01020304050607080Group AScore (points)Show worked answerAnswer: 20Minimum is marked by the end of the whisker at 20.Example 2What is the lower quartile (Q1) score?Distribution of scores010203040506070Group AScore (points)Show worked answerAnswer: 30Lower quartile (Q1) is marked by the edge of the box at 30.Example 3What is the median score?Distribution of scores0102030405060708090100Group AScore (points)Show worked answerAnswer: 60Median is marked by the line inside the box at 60.