Mathematics (Syllabus D) · Oct / Nov 2018 · Paper 11 · Question 13
4024
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The lengths of the times of telephone calls made by Ellie during one week are summarised in the table. Time (t minutes) t 0 10 1 G t 10 20 1 G t 20 25 1 G t 25 30 1 G t 30 50 1 G Frequency 10 15 10 12 16 On the grid, draw a histogram to illustrate the distribution of these times. 0 0 1 2 3 10 20 30 Time (t minutes) Frequency density 40 50 [3] 1 1 0 2 J K J K N O N O
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