Year 10
Higher

Find quartiles and interquartile range from CF diagram

Year 10
Higher

Find quartiles and interquartile range from CF diagram

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Lesson details

Key learning points

  1. In this lesson, we will calculate the median, upper and lower quartiles and the interquartile range from a cumulative frequency diagram

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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?
An image in a quiz
A
Correct answer: B
C
D
Q2.
What number should replace the star?
An image in a quiz
A
B
C
Correct answer: D
Q3.
What are the coordinates of the last point on the cumulative frequency diagram?
An image in a quiz
Correct answer: A
B
C
D

3 Questions

Q1.
What is the median?
An image in a quiz
A
B
C
Correct answer: D
Q2.
What is the interquartile range?
An image in a quiz
Correct answer: A
B
C
D
Q3.
How many people took longer than 4 minutes to solve the problem?
An image in a quiz
A
Correct answer: B
C
D