Year 11
Core
Find quartiles and interquartile range from CF diagram
Year 11
Core
Find quartiles and interquartile range from CF diagram
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Lesson details
Key learning points
- In this lesson, we will calculate the median, upper and lower quartiles and the interquartile range from a cumulative frequency diagram
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
What is the modal class?
A
C
D
Q2.
What number should replace the star?
A
B
C
Q3.
What are the coordinates of the last point on the cumulative frequency diagram?
B
C
D
3 Questions
Q1.
What is the median?
A
B
C
Q2.
What is the interquartile range?
B
C
D
Q3.
How many people took longer than 4 minutes to solve the problem?
A
C
D