Core

Find quartiles and interquartile range from CF diagram

Core

Find quartiles and interquartile range from CF diagram

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

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

3 Questions

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

Lesson appears in

UnitMaths / Higher Data 1 (CF and Box Plots)

UnitMaths / Revise - Data (Mean Table, CF Charts)