Quelpr
2 marksMeasures of Dispersion

CSEC Mathematics · 2003 (Specimen) · Paper 2 · Question 7(d)

Use the graph to find an estimate for the interquartile range.

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Other parts of this question

  1. 7(a)Use the graph to find an estimate for the number of strips in the sample.[1 mark]
  2. 7(b)Use the graph to find an estimate for the number of strips of length 65 cm or longer.[2 marks]
  3. 7(c)Use the graph to find an estimate for the median length of the strips.[1 mark]
  4. 7(e)Use the graph to find an estimate for the minimum length of the longest 30 strips.[2 marks]
  5. 7(f)Use the graph to find an estimate for the probability that a strip chosen at random is shorter than 45 cm.[2 marks]

More practice: the rest of this paper · more Measures of Dispersion questions · all CSEC Mathematics past papers