Question 23 — IGCSE 0580 Oct/Nov 2023 Paper 22
Cambridge IGCSE Mathematics 0580, Extended tier, non-calculator. Topic: Statistics · Frequency density. Worth 2 marks.
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Question text
23 Some students record their reaction times.
The table shows the results.
Reaction time
0 1 t G 6 6 1 t G 10
(t seconds)
Frequency 18 16
On a histogram, the height of the block for the 0 1 t G 6 interval is 7.5 cm.
Calculate the height of the block for the 6 1 t G 10 interval.
............................................ cm [2]
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