Cumulative frequency diagrams 1 (AQA GCSE Statistics): Quizzes
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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?
What does cumulative frequency represent?
Total observations below a value
How is cumulative frequency calculated?
How is cumulative frequency calculated?
By adding frequencies cumulatively
What shape is used for discrete data?
What shape is used for discrete data?
Step polygon
Where do you plot cumulative frequency for continuous data?
Where do you plot cumulative frequency for continuous data?
At the upper bound
What should the final cumulative frequency equal?
What should the final cumulative frequency equal?
Total number of observations
What is the first step in plotting a diagram?
What is the first step in plotting a diagram?
Start at zero
How do you connect points in a continuous graph?
How do you connect points in a continuous graph?
With straight lines
What does a cumulative frequency table show?
What does a cumulative frequency table show?
Running totals of frequencies
What happens to cumulative frequency values?
What happens to cumulative frequency values?
They increase or stay the same
What is a key feature of step polygons?
What is a key feature of step polygons?
They show constant values