4400 Higher November 2007 Paper 3 Q2
2 The table shows information about the scores in a game.
| Score | Frequency |
|---|---|
| 1 | 5 |
| 2 | 8 |
| 3 | 3 |
| 4 | 4 |
Work out the mean score.
(3)
| Scheme | Marks |
|---|---|
| 1×5 + 2×8 + 3×3 + 4×4 (= 46) | M1 |
| / 20 | M1 |
| 2.3 | A1 |
| (3) | |
| (3 marks) |
Notes
M1: dep. Allow / his \(\Sigma f\)
A1: or 2 if \(\frac{46}{20}\) seen