Grouping 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 is the purpose of grouping data?
What is the purpose of grouping data?
To identify patterns easily
What are class intervals?
What are class intervals?
Non-overlapping data groups
How is class width calculated?
How is class width calculated?
Upper - Lower boundaries
What is a key principle of grouping?
What is a key principle of grouping?
Aim for 5-10 intervals
What notation is used for continuous data?
What notation is used for continuous data?
Inequality notation
How should intervals for heights be written?
How should intervals for heights be written?
145 ≤ h < 150
What happens if you have too few groups?
What happens if you have too few groups?
Important patterns may be missed
What is a common mistake when grouping data for analysis?
What is a common mistake when grouping data for analysis?
Using inconsistent intervals
What is the best method for showing intervals?
What is the best method for showing intervals?
Inequality notation
What should you check when creating intervals?
What should you check when creating intervals?
They cover the full range