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2.1 Statistical Sampling

2.1 Statistical Sampling

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Question 4

A weather station has complete daily rainfall records for the 365 days of one year. A researcher selects every seventh day, beginning with 3 January, and uses the selected days to estimate typical rainfall during the year.

a.

State the sampling technique used.

[1]
b.

Explain one advantage of the method in this context.

[1]
c.

Explain two limitations of the method in this context.

[2]
d.

Suggest one improvement.

[1]
Markscheme

2.1 Statistical Sampling Questions

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

36 exam-style questions on WJEC A Level Maths 2.1 Statistical Sampling, covering 2.1.1 Statistical Sampling, 2.1.2 Statistical Sampling, 2.1.3 Statistical Sampling, 2.1.4 Statistical Sampling, and 2.1 Statistical Sampling. Each one has a worked solution and a mark scheme showing where the marks go.

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