Hypothesis Testing

How to decide whether sample evidence is strong enough to doubt a claim about a population. At AS level every test is about a proportion p, using the binomial distribution (DfE content area O).

• An Overview — the logic of a test, the six-step procedure, and the common mistakes

The content statements

• The Language of Hypothesis Testing — null and alternative hypotheses, significance level, critical regions, p-values and conclusions in context
• Binomial Hypothesis Tests — one- and two-tailed tests for a proportion, by p-value and by critical region

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Each page has step-by-step notes, several worked examples, a quick-reference grid and ten practice questions with fully worked solutions.