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4.6 Statistical hypothesis testing (A-level only)

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Question 21

The temperature and the rainfall on 15 days is recorded.

a.

Suggest a null and alternative hypothesis for a two tailed test to investigate whether there is a correlation between temperature and rainfall.

[2]
b.

The product moment correlation coefficient is calculated to be r=0.37r = 0.37r=0.37.

Test your hypotheses at the 10% significance level.

[2]

4.6 Statistical hypothesis testing (A-level only) Questions

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