1MA0 Higher November 2012 Paper 2 Q4
4 The table gives some information about the birds Paula sees in her garden one day.
| Bird | Frequency |
|---|---|
| Magpie | 15 |
| Thrush | 10 |
| Starling | 20 |
| Sparrow | 27 |
Complete the accurate pie chart. (3)
| Working | Answer | Mark | Notes | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OR 360 ÷ 72 = 5 5 × 15 = 75 etc  | Correct pie chart | 3 | M1 for any one of \(\frac{15}{72} \times 360\), \(\frac{10}{72} \times 360\), \(\frac{20}{72} \times 360\), \(\frac{27}{72} \times 360\) oe (‘72’ must clearly come from adding frequencies) A1 for 75 seen from correct working or 50 seen or 100 seen or 135 seen or one sector of angle 50° or 100° or 135° labelled correctly with bird’s name or all sectors correctly drawn A1 for correct pie chart fully labelled with birds’ names OR M1 for \(\frac{75}{15} \times 10\) or \(\frac{75}{15} \times 20\) or \(\frac{75}{15} \times 27\) (‘75’ should be in the range 73 - 77) A1 for 50 seen or 100 seen or 135 seen or one sector of angle 50° or 100° or 135° labelled correctly with bird’s name or all sectors correctly drawn A1 for correct pie chart fully labelled with birds’ names NB. Allow a tolerance of ±2° on all drawn angles |