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1.3 Hypothesis Testing for Zero Correlation

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Question 5

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]
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1.3 Hypothesis Testing for Zero Correlation Questions

  1. A Level
  2. /Maths
  3. /1.3 Hypothesis Testing for Zero Correlation

49 exam-style questions on Edexcel A Level Maths 1.3 Hypothesis Testing for Zero Correlation. Each one has a worked solution and a mark scheme showing where the marks go.

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