![]() The symmetric, unimodal, bell curve is ubiquitous throughout statistics. Inference for the slope of a regression lineĪmong all the distributions we see in practice, one is overwhelmingly the most common.Fitting a line by least squares regression.Line fitting, residuals, and correlation.Comparing many means with ANOVA (special topic).Difference of two means using the \(t\)-distribution.Inference for a single mean with the \(t\)-distribution.Homogeneity and independence in two-way tables.Testing for goodness of fit using chi-square.Sampling distribution of a sample proportion. ![]() Case study: gender discrimination (special topic).Observational studies and sampling strategies.Case study: using stents to prevent strokes.OpenIntro, online resources, and getting involved.
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