Comparative pie charts (AQA GCSE Statistics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What do comparative pie charts represent?
What do comparative pie charts represent?
Different sample sizes
What is the main formula for pie charts?
What is the main formula for pie charts?
R^2/r^2 = N/n
Which formula calculates sample size based on radii in statistics?
Which formula calculates sample size based on radii in statistics?
N = R^2 / r^2
What does a 72° angle in a pie chart indicate about the data?
What does a 72° angle in a pie chart indicate about the data?
Indicates a percentage of the total data
What is the value of R^2 if the radius is 4.5 cm?
What is the value of R^2 if the radius is 4.5 cm?
20.25
What is the first step in comparing charts?
What is the first step in comparing charts?
Find sample sizes
What is a common mistake with pie charts?
What is a common mistake with pie charts?
All of the above
How do you calculate actual numbers from angles?
How do you calculate actual numbers from angles?
Angle/360 * total sample
What does a larger pie chart indicate?
What does a larger pie chart indicate?
More people in the group
What should you always check in pie charts?
What should you always check in pie charts?
Sample sizes