(a)[4]
Draw a back-to-back stem-and-leaf diagram to display this information, placing Lakeview on the left-hand side.
(b)[2]
Find the interquartile range for the throwing distances recorded by the 11 pupils at Lakeview school.
Mathematics 9709 · AS & A Level · Representation of data
Representation of data — practice question
Lakeview and Riverside are two schools. Pupils from both schools entered a contest to find out how far they could throw a ball. The distances thrown, rounded to the nearest metre, by 11 pupils from each school are listed in the table below.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The stem-and-leaf diagram is correct overall, with at least one side correct.” …
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