Waist measurements with an outlier

Waist measurements with an outlier

Secondary 2
5 marks
TGM Original Questions

The dot plot shows 20 waist measurements (inches). Find

  1. the mean,[2]
  2. the median,[1]
  3. the more appropriate average and why.[2]

Solution:

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Answer:(a) \(30.75\) inches (b) \(30\) inches (c) median, because 40 inches is an outlier.

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