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2 Statistics

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Question 153

From the OCR 2011 age-structure data, four mean ages are recorded as 41.0,40.2,405,39.8 41.0,40.2,405,39.8\,41.0,40.2,405,39.8 years.

a.

Identify the entry that should be investigated.

[1]
b.

Suggest the likely corrected value.

[1]
c.

State why the original value should not simply be deleted without checking.

[1]
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2 Statistics Questions

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

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