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2 Statistics

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Question 147

A university randomly chooses four lecture groups and surveys every student present in those groups about weekly study time.

a.

Describe the sampling structure.

[2]
b.

Give two reasons why the results may not represent all university students.

[2]
c.

Suggest one refinement and explain how it addresses a stated weakness.

[2]
Markscheme

2 Statistics Questions

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

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