Measures of dispersion for discrete data (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 does the range of a data set indicate?
What does the range of a data set indicate?
Difference between max and min values
How is the interquartile range calculated?
How is the interquartile range calculated?
Q₃ - Q₁
What is Q₁ in a dataset?
What is Q₁ in a dataset?
Value with 25% below it
What is the first step in finding quartiles?
What is the first step in finding quartiles?
Count total values
What does cumulative frequency help with?
What does cumulative frequency help with?
Identifying quartiles
What is a limitation of the range?
What is a limitation of the range?
Ignores middle values
How do you find Q₃ position?
How do you find Q₃ position?
3(n+1)/4
What is the IQR of 12.75 and 7.25?
What is the IQR of 12.75 and 7.25?
5.5
What should you do first with discrete data?
What should you do first with discrete data?
Order the data
What is a common mistake in quartile calculation?
What is a common mistake in quartile calculation?
Not ordering data