Foundation June 2022 Paper 1 Q8
8
(a) For a set of five numbers,
the mode is 8
the median is 12
Work out one possible set of five numbers. [2 marks]
(b) Here are the heights, in centimetres, of some children.
98 103 91 85 159 102 91
Which height is an outlier? [1 mark]
| Answer | Mark | Comments |
|---|---|---|
| Five numbers with mode 8 and median 12 | B2 | B1 five numbers with mode 8 eg 2 5 8 8 8 or 8 10 19 4 8 or five numbers with median 12 eg \(-3\) 6 12 14 20 or 7 10 18 12 16 |
Additional guidance
| 8 8 12 16 25 | B2 |
| 8 8 8 8 8 | B1 |
| 12 12 12 12 12 | B1 |
| Do not allow bimodal sets of numbers for mode 8 but median may still be 12 eg 8 8 12 12 13 eg 7 7 8 8 10 | B1 B0 |
| A set of four or more than five numbers may score B1 if the mode is 8 and the median is 12 eg 8 8 11 13 20 21 eg 8 8 16 17 | B1 B1 |
| Answer | Mark | Comments |
|---|---|---|
| 159 | B1 |
Additional guidance
Mark answer line but if blank allow unambiguous selection in the list of heights