(i)[2]
State the interval in the table that contains the median and the interval that contains the upper quartile.
(ii)[4]
Using graph paper, draw a histogram to show the data.
(iii)[2]
Calculate an estimate for the mean travel time to work.
Mathematics 9709 · AS & A Level · Sampling and estimation
Sampling and estimation — practice question
This table gives a summary of the times taken by $112$ people to get to work on one particular day.
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Median correctly identified in the $15$-$20$ minutes interval” …
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