Two Populations -- 11. Inferences about Population Variances -- 12. Tests of Goodness of Fit and

population mean (independent samples, equal variances) -- 6.7.Two sample tests for population mean

: Comparing two populations -- 13. Hypothesis testing: Describing a single population -- 14. Hypothesis

-- Single Population (Means & Proportions) -- 12 Hypothesis Tests -- Comparison Between Two Populations