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2.5.7 Hypothesis test using Pearson's coefficient (A-level only)

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Question 10

Amy wants to find out if there is a correlation between daily maximum relative humidity and daily mean pressure.

a.

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

[2]
b.

Amy takes a sample of 14 days and finds a product moment correlation coefficient of -0.55.

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

[3]
Markscheme

2.5.7 Hypothesis test using Pearson's coefficient (A-level only) Questions

  1. A Level
  2. /Maths
  3. /2.5.7 Hypothesis test using Pearson's coefficient (A-level only)

47 exam-style questions on OCR A Level Maths 2.5.7 Hypothesis test using Pearson's coefficient (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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