4MA0 Higher January 2014 Paper 4 Q4
4 The table gives information about the numbers of goals scored by a football team in 30 matches.
| Number of goals scored | Frequency |
|---|---|
| 0 | 2 |
| 1 | 10 |
| 2 | 7 |
| 3 | 6 |
| 4 | 3 |
| 5 | 2 |
Find the mean number of goals scored.
(3)
| Scheme | Marks |
|---|---|
| (0x2) + 1x10 + 2x7 + 3x6 + 4x3 + 5x2 | M1 |
| “64” ÷ 30 | M1 |
| 2.13 rec oe | A1 |
| (3) | |
| (3 marks) |
Notes
M1: M1 for 5 correct products stated or evaluated
M1: Dependent on first M1
A1: Accept 2.1 or better with no working.
Accept 2 if M2 awarded.