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Regression, Correlation and Hypothesis Testing

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Question 32

James wants to know if there is a correlation between the number of hours students spend on a revision app and their final test scores.

a.

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

[2]
b.

James takes a sample of 15 students and finds a product moment correlation coefficient of 0.68.

Carry out the hypothesis test at the 1% significance level.

[2]

Regression, Correlation and Hypothesis Testing Questions

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