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2 Statistics

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Question 232

For the 101 available female weights in OCR Large Data Set 9, the five-number summary used in the June 2024 H640/02 paper was

41.4, 57.7, 69.5, 82.05, 132.2 41.4,\ 57.7,\ 69.5,\ 82.05,\ 132.2\,41.4, 57.7, 69.5, 82.05, 132.2 kg.

a.

Find the interquartile range.

[1]
b.

Determine the interval containing all upper outliers.

[3]
c.

Explain why an observation in this interval should not automatically be deleted.

[1]
Markscheme

2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

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