8.1 Define and express the research and null hypotheses.
8.2 Explain, calculate, and evaluate a one-sample mean Z statistic.
8.3 Distinguish between Type I and Type II errors in hypothesis testing.
8.4 Explain, calculate, and evaluate a one-sample mean t statistic.
8.5 Explain, calculate, and evaluate a two-sample mean t statistic.
8.6 Explain, calculate, and evaluate a two-sample proportions hypothesis test.