Pie Charts: WJEC GCSE Intermediate November 2020 Unit 1 Q4

Intermediate November 2020 Unit 1 Q4

WJECIntermediateCurrent spec3 marksPie Charts

4. 300 students were asked if they would like to change their school’s dinner menu.

The pie chart below shows how they answered.

Pie chart: Yes is half the circle; Not sure has angle 120°; No has angle 60°

Complete the table below to show the number of students who gave each answer. [3]

Answer	Yes	No	Not sure
Number of students

Mark scheme

Scheme

Marks

Comments

Answer	Yes	No	Not sure
Number of students	150	50	100

B1 for (Yes =) 150 C.A.O.

B2 for (No =) 50 AND (Not sure =) 100. or
FT ‘their Yes’ for (No =) ⅓(300 − ‘Yes’) AND
(Not sure =) ⅔(300 – ‘Yes’)
If B2 not gained, then
B1 for (No =) 50 OR (Not sure =) 100 or
FT ‘their Yes’ for (No =) ⅓(300 − ‘Yes’) OR
(Not sure =) ⅔(300 – ‘Yes’) or
B1 for ‘No’ + ‘Not sure’ = 150 or
B1 if ‘Not sure’ = 2 × ‘No’. or
B1 for ‘Yes’ + ‘No’ + ‘Not sure’ = 300.