Mathematics (Syllabus D) · Oct / Nov 2019 · Paper 12 · Question 15
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The time taken by each member of a group of students to solve a problem was recorded. Some of the results are summarised in the table and illustrated in the histogram. Time (t minutes) t 1 2 1 G t 2 3 1 G t 3 4 1 G t 4 6 1 G t 6 8 1 G Frequency 6 10 12 p 4 0 1 2 3 4 5 6 7 8 9 t 0 2 4 6 8 10 12 Time (minutes) Frequency density
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15(a)[1]
15(b)[2]
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