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4.3.1 Statistical hypothesis testing (A-level only)

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Question 10

The height and the weight of 20 students are recorded.

a.

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

[2]
b.

The product moment correlation coefficient is calculated to be r=0.48r = 0.48r=0.48.

Test your hypotheses at the 5% significance level.

[2]

4.3.1 Statistical hypothesis testing (A-level only) Questions

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