Pie charts (Edexcel GCSE Statistics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How do you verify if the angles in a pie chart are correct?
How do you verify if the angles in a pie chart are correct?
Sum to 360°
What is the key principle of pie charts?
What is the key principle of pie charts?
Angles proportional to values
How do you calculate the number for a sector?
How do you calculate the number for a sector?
Use formula: angle/360 × total
If a sector has an angle of 90° and total is 120, how many items does it represent?
If a sector has an angle of 90° and total is 120, how many items does it represent?
40
How do you find the angle if the number and total are known?
How do you find the angle if the number and total are known?
Number/total×360
Why is it important to measure angles from the centre?
Why is it important to measure angles from the centre?
For accuracy in exams
What should you do if the angles don't total 360°?
What should you do if the angles don't total 360°?
Recheck measurements or calculations
When calculating a missing quantity from an angle, what formula do you use?
When calculating a missing quantity from an angle, what formula do you use?
Angle/360 × total
What type of data are pie charts best suited for?
What type of data are pie charts best suited for?
Qualitative data
Why are small categories difficult to represent in pie charts?
Why are small categories difficult to represent in pie charts?
Too many small slices