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4.3.1 Statistical hypothesis testing (A-level only)

4.3.1 Statistical hypothesis testing (A-level only)

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Question 7

David wants to investigate if there is a correlation between total weekly rainfall and total weekly hours of sunshine in his town.

a.

Suggest a suitable null and alternative hypothesis for a two-tail test.

[2]
b.

David takes a sample of 20 weeks and finds a product moment correlation coefficient of 0.48.

Carry out the hypothesis test at the 5% significance level.

[2]
Markscheme

4.3.1 Statistical hypothesis testing (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.3.1 Statistical hypothesis testing (A-level only)

178 exam-style questions on WJEC A Level Maths 4.3.1 Statistical hypothesis testing (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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