Choosing an average with an outlier

Choosing an average with an outlier

Secondary 2
3 marks
TGM Original Questions

A walking club records the distances, in km, completed by ten members during one week: 6, 7, 8, 9, 10, 11, 12, 13, 14 and 40.

The club wants one average to describe a typical member’s weekly distance. Which of the mean, median and mode would you choose? Explain why the other two are less useful for this purpose.[3]

Solution:

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Answer:\(10.5\) km (median), with the contextual reasons in the worked solution.

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