Problems from Diagram of sectors

In a survey amongst 15 students on their favourite dessert, the obtained answers are:

Pudding, fruit, ice cream, yogurt, ice cream, cake, pudding, ice cream, yogurt, fruit, yogurt, cake, ice cream, ice cream, pudding.

Make a pie chart.

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Development:

Dessert Absolute frequency fi Angle
Pudding 3 336015=72
Fruit 2 236015=48
Ice cream 5 536015=120
Yogurt 3 336015=72
Cake 2 236015=48

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Solution:

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