The daily sunshine hours and the maximum wind speed on 30 days are recorded.
Suggest a null and alternative hypothesis for a two tailed test to investigate whether there is a correlation between sunshine hours and wind speed.
The product moment correlation coefficient is calculated to be r=−0.32r = -0.32r=−0.32.
Test your hypotheses at the 10% significance level.
51 exam-style questions on Edexcel A Level Maths 1.3 Hypothesis Testing for Zero Correlation. Each one has a worked solution and a mark scheme showing where the marks go.