For a one-tailed test of positive correlation at the 5% significance level, the critical value is 0.5494. The sample product moment correlation coefficient is r=0.63r=0.63r=0.63.
State the conclusion of the test in context.
178 exam-style questions on WJEC A Level Maths 4.3.1 Statistical hypothesis testing (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.