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4.6 Statistical hypothesis testing (A-level only)

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Question 19

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]
Markscheme

4.6 Statistical hypothesis testing (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.6 Statistical hypothesis testing (A-level only)

209 exam-style questions on CCEA A Level Maths 4.6 Statistical hypothesis testing (A-level only), covering 4.6.1 Statistical hypothesis testing (A-level only), 4.6.2 Statistical hypothesis testing (A-level only), 4.6.3 Statistical hypothesis testing (A-level only), 4.6.4 Statistical hypothesis testing (A-level only), and 4.6.5 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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