Null Hypothesis: Definition and Examples
A detailed guide to the null hypothesis: definition, notation, five steps with examples, examples by test, p values and alpha, type I and II errors, a worked t test with equations and common mistakes.
hypothesis testing
Directional Hypothesis: Definition and Examples
A detailed guide to the directional hypothesis: definition, comparison with non-directional hypotheses, wording, five steps with examples, one-tailed tests with equations and common mistakes.
Empirical Hypothesis: Definition and Examples
A detailed guide to the empirical hypothesis: definition, the empirical cycle, five steps with examples, comparison with other hypotheses, a worked test with equations and common mistakes.
Statistical Hypothesis: Definition and Examples
A detailed guide to the statistical hypothesis: definition, null and alternative forms, six steps with examples, equations for z and t tests, p-values, errors and common mistakes.
Value Hypothesis: Definition and Examples
A detailed guide to the value hypothesis: definition, how it differs from a growth hypothesis, six steps with examples, metrics, a worked confidence interval and common mistakes.