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Regression, Correlation and Hypothesis Testing

Regression, Correlation and Hypothesis Testing

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Question 39

Sarah is researching whether there is a correlation between the height of sunflowers and the total weight of the seeds produced.

a.

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

[2]
b.

Sarah takes a sample of 26 sunflowers and finds a product moment correlation coefficient of 0.33.

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

[2]
Markscheme

Regression, Correlation and Hypothesis Testing Questions

  1. A Level
  2. /Maths
  3. /Regression, Correlation and Hypothesis Testing

202 exam-style questions on Edexcel A Level Maths Regression, Correlation and Hypothesis Testing, covering 1.1 Exponential Models, 1.2 Measuring Correlation, and 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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