Foundation June 2018 Paper 2 Q14
14 Each worker in a factory is either left-handed or right-handed.
22 of the 45 workers are male.
16 of the 34 right-handed workers are female.
Complete the frequency tree for this information. (3)
| Answer | Mark | Mark scheme |
|---|---|---|
| Completed tree | C1 | for correctly placing at least one piece of data (22 or 16) OR for finding at least one unknown piece of data (4, 18, 7 or 23) |
| C1 | for correctly placing at least one piece of data (22 or 16) and for finding at least one unknown piece of data (4, 18, 7 or 23) | |
| C1 | for a complete correct tree. SC C2 if all 6 figures are shown as the numerator of fractions in the correct places |
Completed tree
45 → male 22 (left-handed 4, right-handed 18) and female 23 (left-handed 7, right-handed 16)
Additional guidance
Unknown figures may be seen in working and need not be on the diagram
Award of this mark implies the first C1