1MA0 Foundation June 2015 Paper 2 Q14
14 Here is a list of 12 numbers.
12 15 18 12 15 12 16 13 17 15 12 17
(a) Write down the mode. (1)
(b) Work out the range. (2)
(c) Work out the median. (2)
(d) Work out the mean. (2)
| Answer | Mark | Notes |
|---|---|---|
| 12 | 1 | B1 cao |
| Answer | Mark | Notes |
|---|---|---|
| 6 | 2 | M1 for \(18 - 12\) or \(12 - 18\) or 12 to 18 A1 cao |
| Answer | Mark | Notes |
|---|---|---|
| 15 | 2 | M1 for listing the numbers in order or identifying the middle two numbers as 15 or an answer of 14 A1 cao |
| Working | Answer | Mark | Notes |
|---|---|---|---|
| \(174 \div 12\) | 14.5 | 2 | M1 for adding the numbers and dividing by 12 A1 cao |