Year 8
Year 8

Interpreting frequency tables

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Lesson details

Key learning points

  1. In this lesson, we will learn how to sort data into a frequency table.

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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2 Questions

Q1.
Here is a list of annual salaries at a company: £25,000, £25,000, £26,000, £26,000, £26,000, £27,000, £27,000, £28,000, £100,000. Why would the mean not be the most appropriate measure of average?
Because £26,000 comes up the most times so you should take the mode
Because the mean might give a decimal answer
Correct answer: Because the presence of an outlier (£100,000) skews the mean
Because there is an even number of pieces of data
Q2.
Samira asks a sample of her class their favourite colour. The results are: blue, pink, red, red, blue, pink, green, brown, red. Which of these averages would be the most appropriate to use?
Mean
Median
Correct answer: Mode
Range

4 Questions

Q1.
Looking at the table below, how many people had 2 pets at home?
An image in a quiz
0
1
2
Correct answer: 3
Q2.
Looking at the table below, what is the mode number of pets?
An image in a quiz
Correct answer: 1
2
4
6
Q3.
Looking at the table below, what is the range number of pets?
An image in a quiz
3
4
Correct answer: 5
6
Q4.
Looking at the table again answer the following question. If everyone in the survey brought their pets to the park, how many pets in total would there be?
An image in a quiz
22
23
24
Correct answer: 25