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2.1 Sampling

2.1 Sampling

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Question 4

A data file contains ages of -3, 18, 19, 19, 204 and 21 years, together with one missing entry shown as #N/A.

Identify three issues that should be investigated before the data are analysed.

[3]
Markscheme

2.1 Sampling Questions

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

36 exam-style questions on OCR (MEI) A Level Maths 2.1 Sampling, covering 2.1.1 Population and sample, 2.1.2 Samples to make informal inferences, 2.1.3 Random sampling, 2.1.4 Variety of sampling techniques, 2.1.5 Select or evaluate sampling techniques, and 2.1 Sampling. Each one has a worked solution and a mark scheme showing where the marks go.

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