O-LevelMathematicsStatistics4024/11 · May/June 2023 · Q243 Marks

100 batteries are tested to see how long they last. The table shows the results. Number of hours (t) 10<t≤15 15 < t <21 21 < t <30 30 < t < 50 Frequency 10 24 36 30 Complete the histogram to show this information.

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Mark scheme

Marking points from the official mark scheme (May/June 2023). The mark or mark type is shown in brackets.

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Topic: Statistics, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source: O-Level Mathematics, May/June 2023 Paper 1 Variant 1, question 24.

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