Context for question 11Ede asks 40 students if they prefer to drink water, juice or milk. She represents the results on a pie chart.
11(a)Data Representation Statistical DiagramsMedium2 marksThe number of students who prefer milk is represented by a sector angle of 63∘. Calculate the number of students who prefer milk.A0.175B0.63C1.6D5.7E7F9G63Grade answerGrading criteria
11(b)Data Representation Statistical DiagramsMedium2 marksTwice as many students prefer water to juice. Calculate the sector angle that represents the number of students who prefer water.A99B120C198D240E297F330G360Grade answerGrading criteria