4MA0 Higher June 2016 Paper 4 Q18
18 Miss Cook asked each student in her class how long it took them, in minutes, to travel to school that morning.
The incomplete histogram shows information about the times it took the students who took no more than 30 minutes to travel to school.
9 students took between 15 minutes and 30 minutes to travel to school.
(a) How many students took no more than 30 minutes to travel to school? (2)
12 students took between 30 and 55 minutes to travel to school.
(b) Use this information to complete the histogram. (2)
| Scheme | Marks |
|---|---|
| 2 + 4 + 9 | M1 |
| 15 | A1 |
| (2) |
Notes
M1: For \(\dfrac{9}{15}\) or 0.6 or
0.2 × 10 + 0.8 × 5 or 2 + 4 or 6
For at least 1 correct frequency density on scale without incorrect values (1cm = 0.1 fd) or
For 1 cm square = 0.5 person oe stated
| Scheme | Marks |
|---|---|
| M1 | |
| Correct bar drawn | A1 |
| (2) |
Notes
M1: \(\dfrac{12}{25}\) or 0.48 or \(\dfrac{24}{5}\) or 4.8 or
a bar drawn with the correct height
A1: 4.8 cm high