4.6.5 Statistical hypothesis testing (A-level only)

The temperature and the number of hours of sunshine on 12 days is recorded.

The product moment correlation coefficient is calculated to be $r = 0.636$ .

Stating your hypotheses clearly test, at the 1% significance level, whether there is a positive correlation between temperature and hours of sunshine

[4]

The temperature and the number of hours of sunshine on 12 days is recorded.

The product moment correlation coefficient is calculated to be $r = 0.636$ .

Stating your hypotheses clearly test, at the 1% significance level, whether there is a positive correlation between temperature and hours of sunshine

[4]

4.6.5 Statistical hypothesis testing (A-level only) Questions