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2.4 Statistical sampling

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Question 5

In a random sample of 50 commuters using a railway station, 34 say that they are satisfied with the morning service.

a.

Calculate the proportion of the sample who are satisfied.

[1]
b.

Make one informal inference about all commuters using the station.

[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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