Average
Jade’s class had a maths test. It is scored out of 20. These are their scores.
18
20
19
17 15
15
16
17
16
Which one score do you think best summarises how well the class did?
An average is a single number that is a good summary of the whole data set.
There are three different ways to calculate an average. These are the Mean, the Median and the Mode.
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28/04/2022 12:11
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