Pie Charts: WJEC GCSE Foundation November 2020 Unit 1 Q16

Foundation November 2020 Unit 1 Q16

WJECFoundationCurrent spec3 marksPie Charts

16. 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 degrees and No has angle 60 degrees

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.