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JAMB 2004 · UME · Q44

The weights of 10 pupils in a class are 15 kg, 16 kg, 17 kg, 18 kg, 16 kg, 17 kg, 17 kg, 17 kg, 18 kg and 16 kg. What is the range of this distribution?

Worked solution (try it first)
  1. The heaviest pupil is 18 kg and the lightest is 15 kg.
  2. The range is 18−15=318 - 15 = 3 kg, option C.

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