Higher November 2018 Paper 3 Q18
18 Here is some information about the ages of people at a concert.
| Age, \(x\) (years) | Frequency |
|---|---|
| \(10 \leqslant x < 15\) | 8 |
| \(15 \leqslant x < 25\) | 24 |
| \(25 \leqslant x < 40\) | 30 |
| \(40 \leqslant x < 70\) | 39 |
Draw a histogram to represent the information. [3 marks]
| Answer | Mark | Comments |
|---|---|---|
| Any one of \(8 \div 5\) or 1.6 or \(24 \div 10\) or 2.4 or \(30 \div 15\) or 2 or \(39 \div 30\) or 1.3 | M1 | Implied by a correct bar |
| At least three of 1.6 and 2.4 and 2 and 1.3 | M1dep | Implied by three correct bars |
| Fully correct histogram | A1 | Tolerance \(\pm\dfrac{1}{2}\) square ignore frequency polygon if drawn |
Additional guidance
 | 3 marks |