4400 Higher November 2010 Paper 3 Q9
9
(a) Three positive whole numbers are all different.
They have a median of 5 and a mean of 4
Find the three numbers. (2)
They have a median of 5 and a mean of 4
Find the three numbers. (2)
(b) Find four whole numbers which have a mode of 5 and a median of 6 (2)
| Scheme | Marks |
|---|---|
| 1, 5, 6 | B2 |
| (2) |
Notes
B2: B1 three positive whole nos with med 5 or mean 4
| Scheme | Marks |
|---|---|
| 5, 5, 7, \(x\) | B2 |
| (2) | |
| (4 marks) |
Notes
B2: \(x > 7\)
B1 four nos with single mode 5 or med 6