Describing a cups-of-water distribution

Describing a cups-of-water distribution

Secondary 2
3 marks
TGM Original Questions

Core stretch

The dot plot shows cups of water drunk by 25 pupils.

  1. Describe the distribution.[1]
  2. Exactly 40% drank more than \(p\) cups. Find the whole number \(p\).[2]

Solution:

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Answer:(a) unimodal at 2, right-skewed, high outlier at 8 (b) \(p=3\).

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