Cumulative frequency diagrams 1 (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
What does cumulative frequency represent in a data set?
What does cumulative frequency represent in a data set?
A total running sum
Why does the cumulative frequency never decrease?
Why does the cumulative frequency never decrease?
It adds previous totals
What is used to plot discrete data in a cumulative frequency diagram?
What is used to plot discrete data in a cumulative frequency diagram?
Step polygon
What is the main purpose of a cumulative frequency diagram?
What is the main purpose of a cumulative frequency diagram?
To visualize data distribution
What should the final cumulative frequency equal?
What should the final cumulative frequency equal?
The total number of observations
When creating a step polygon, what does the shape represent?
When creating a step polygon, what does the shape represent?
A stepped pattern showing jumps
What key point should be considered at the start of plotting a cumulative frequency graph?
What key point should be considered at the start of plotting a cumulative frequency graph?
Start at zero
In a continuous cumulative frequency diagram, what connects the data points?
In a continuous cumulative frequency diagram, what connects the data points?
A smooth curve or straight lines
How do you know if your cumulative frequency diagram is correct?
How do you know if your cumulative frequency diagram is correct?
Final total matches number of observations
What is an advantage of using cumulative frequency diagrams?
What is an advantage of using cumulative frequency diagrams?
Shows data distribution clarity