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Regression, Correlation and Hypothesis Testing

Regression, Correlation and Hypothesis Testing

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Question 31

The engine size and fuel consumption for 12 different models of cars are recorded.

a.

Suggest a null and alternative hypothesis for a two-tailed test to investigate whether there is a correlation between engine size and fuel consumption.

[2]
b.

The product moment correlation coefficient is calculated to be r=0.45r = 0.45r=0.45.

Test your hypotheses 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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