A hypothesis test for a binomial proportion is carried out at the 5% significance level, using a random sample from a large population.
Explain what is meant by the significance level of the test.
Explain why the conclusion of the test is a statement about the population and not about the sample.
State the effect on the conclusion of using a 1% significance level instead of a 5% level, when the p-value of the test is 0.03.
40 exam-style questions on WJEC A Level Maths 2.5 Statistical hypothesis testing, covering 2.5.1 Statistical hypothesis testing, 2.5.2 Statistical hypothesis testing, 2.5.3 Statistical hypothesis testing, 2.5.4 Statistical hypothesis testing, and 2.5 Statistical hypothesis testing. Each one has a worked solution and a mark scheme showing where the marks go.