O-LevelMathematicsStatistics4024/11 · May/June 2018 · Q75 Marks

Usama recorded the number of items bought by each of 20 customers at a shop. The results are shown in the table. | Number of items bought | 1 | 2 | 3 | 4 | 5 | 6 | |---|---|---|---|---|---|---| | Number of customers | 3 | 0 | 5 | 3 | 7 | 2 |

(a)Write down the mode.[1]
(b)Find the median number of items bought.[1]
(c)Calculate the mean number of items bought.[2]
(d)Usama draws a pie chart to show the data. Calculate the angle of the sector on the pie chart which represents the number of people who bought 3 items.[1]

Mark scheme

Marking points from the official mark scheme (May/June 2018). The mark or mark type is shown in brackets.

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Topic: Statistics, O-Level Mathematics (syllabus 4024). Structured question, 5 marks.
Source: O-Level Mathematics, May/June 2018 Paper 1 Variant 1, question 7.

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