The box plot below shows the number of goals scored per game by Albion Rovers during a football season.
The information below shows the number of goals score per game by Union Athletic during the same football season.
Median number of goals per game | 4 |
Lower quartile | 2 |
Upper quartile | 7.5 |
Lowest number of goals per game | 1 |
Highest number of goals per game | 10 |
Draw the box plot by first plotting all five points as vertical lines.
Draw a box around the middle three and then draw whiskers out to the outer two.
Your first comment should be about averages - do it in two sentences.
Your first sentence should be just about the maths and numbers involved. The second should be about what it means.
The median number of goals per game is higher for Union Athletic (4 goals) than Albion Rovers (3 goals).
This means that on average, Union Athletic scored more goals per game than Albion Rovers.
Your second comment should be about spread - do it in two sentences.
Your first sentence should be just about the maths and numbers involved. The second should be about what it means.
The interquartile range (IQR) is higher for Union Athletic (4) than Albion Rovers (3).
This means that Albion Rovers were more consistent regarding the number of goals they scored per game.
Remember a smaller range/IQR means more consistent which, depending on the situation, may be desirable.