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confint2: 2-Sided Confidence Interval

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Exercise template for computing the 2-sided confidence interval for the mean based on a random sample. Read More ›

cholesky: Cholesky Decomposition

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Exercise template for computing the Cholesky decomposition of a simple randomly-generated 3x3 or 4x4 matrix (by hand). Read More ›

boxplots: Interpretation of 2-Sample Boxplots

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Exercise template for assessing the interpretation of two randomly-generated parallel boxplots regarding location, scale, etc. Read More ›

boxhist2: Univariate Exploration of a CSV File (Moodle Version)

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Exercise template with Moodle-specific markup for assessing the interpretation of exploratory statistics (quantiles) and graphics (boxplot and histogram) based on a randomly-generated CSV file. Read More ›

boxhist: Univariate Exploration of a CSV File

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Exercise template for assessing the interpretation of exploratory statistics (quantiles) and graphics (boxplot and histogram) based on a randomly-generated CSV file. Read More ›

anova: 1-Way Analysis of Variance

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Exercise template for assessing the interpretation of an analysis-of-variance (ANOVA) table in multiple-choice form. Read More ›

Rlogo: Knowledge Quiz Question about the R Logo

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Exercise template for a simple knowledge quiz question including a static graphics file (the R logo). Read More ›