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2.4 Statistical sampling

2.4 Statistical sampling

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Question 4

In a simple random sample of 200 households in a district, 126 support a proposed recycling scheme.

a.

Use the sample to estimate the number of the district's 7500 households that support the scheme.

[2]
b.

State one reason why the estimate may differ from the true number.

[1]
Markscheme

2.4 Statistical sampling Questions

  1. A Level
  2. /Maths
  3. /2.4 Statistical sampling

36 exam-style questions on CCEA A Level Maths 2.4 Statistical sampling, covering 2.4.1 Statistical sampling, 2.4.2 Statistical sampling, 2.4.3 Statistical sampling, and 2.4.4 Statistical sampling. Each one has a worked solution and a mark scheme showing where the marks go.

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