Year 8
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Lesson details
Key learning points
- In this lesson, we will interpret differences between the mean, median, mode and range.
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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5 Questions
Q1.
The mean of the set of numbers 3, 3, 3, 4, 5, 6 is...
3
5
6
Q2.
The median of the set of numbers 3, 3, 3, 4, 5, 6 is...
3
4
5
Q3.
The mode of the set of numbers 3, 3, 3, 4, 5, 6 is...
3.5
4
5
Q4.
The range of the set of numbers 3, 3, 3, 4, 5, 6 is...
3.5
4
5
Q5.
Here is a set of numbers: 4, 5, 2, 1, 8. Tick the CORRECT statements
The median is 2
The range is 6
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
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
Range