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2 Statistics

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Question 431

A researcher records the journey time to work, in minutes, for six people as

24, 31, −18, 27, missing, 24024,\ 31,\ -18,\ 27,\ \text{missing},\ 24024, 31, −18, 27, missing, 240.

a.

Identify two entries that should be investigated before the data are analysed, giving a reason for each.

[4]
b.

State one appropriate way to deal with the missing value.

[1]
Markscheme

2 Statistics Questions

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

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