Sarah is researching whether there is a correlation between the height of sunflowers and the total weight of the seeds produced.
Suggest a suitable null and alternative hypothesis for a two-tail test.
Sarah takes a sample of 26 sunflowers and finds a product moment correlation coefficient of 0.33.
Carry out the hypothesis test at the 5% significance level.
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.