Foundation June 2017 Paper 2 Q7
7 Here is a list of numbers.
\[21 \qquad 17 \qquad 23 \qquad 21 \qquad 29 \qquad 32 \qquad 21 \qquad 25 \qquad 36\]Work out the median. [2 marks]
| Answer | Mark | Comments |
|---|---|---|
| 17 21 21 21 23 25 29 32 36 or 36 32 29 25 23 21 21 21 17 or 17 21 21 21 23 or 36 32 29 25 23 or \(\dfrac{9 + 1}{2}\) or 5th value | M1 | Puts list into order Allow one omission, extra or transcription error in a full list Allow one transcription error in a list of only the first or last five or Works out the position of the median in the list |
| 23 | A1 |
Additional guidance
| Answer 23 (from any or no list) | M1A1 |
| Puts list into order then finds the mean | M1A0 |
| Just circles or identifies 29 or gives answer 29 | M0 |
| States 5th and circles 29 | M1A0 |