Density_curves_and_the_normal_distribution
Practice questions about characteristics of density curves, reading z-tables, applying the empirical rule to a normal distribution, and a whole lot more!
Exploring_bivariate_numerical_data
Practice questions about scatterplots, correlation coefficients, least squares regression lines, and the coefficient of determination.
Practice questions about sampling distributions in general, sampling means, and sampling proportions. Let's be sure you fully understand sampling variability!
Practice questions about significance testing.
Practice questions about probability rules. For example, applying that a probability model must sum to 1 or that probability can be multiplied for independent events.
Practice questions about one and two sample intervals for both means and proportions. Oh yeah, regression slopes too!
Practice questions about marginal distributions, conditional distributions, and association given a two-way table.
Practice questions about discrete, binomial, geometric, and normal random variables.
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