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2.1 Statistical Sampling

2.1 Statistical Sampling

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Question 1
40%

A sixth form college has 72 students in Year 12 and 63 students in Year 13.
The head teacher selects a stratified sample of 30 students, stratified by year group.

Describe how this sample could be taken.

[3]
Markscheme

2.1 Statistical Sampling Questions

  1. A Level
  2. /Maths
  3. /2.1 Statistical Sampling

36 exam-style questions on OCR A Level Maths 2.1 Statistical Sampling, covering 2.1.1 Population and sample, 2.1.2 Informal inferences from samples, 2.1.3 Sampling techniques, 2.1.4 Selecting or critiquing sampling techniques, and 2.1 Statistical Sampling. Each one has a worked solution and a mark scheme showing where the marks go.

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