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knitr::kable(rbind(c("Binomial distribution", "proportion", "-", "-"), c("(Standard) normal distribution", "proportion", "times test proportion (<= .5) >= 5", "-"), c("(Standard) normal distribution", "one or two means", "> 100", "OR variable is normally distributed in the population and population standard deviation is known (for each group)"), c("t distribution", "one or two means", "each group > 30", "OR variable is normally distributed in each group's population"), c("t distribution", "(Pearson) correlation coefficient", "-", "variables are normally distributed in the population"), c("t distribution", "(Spearman) rank correlation coefficient", "> 30", "-"), c("t distribution", "regression coefficient", "20+ per independent variable", "See Chapter 8."), c("F distribution", "3+ means", " all groups are more or less of equal size", "OR all groups have the same population variance"), c("F distribution", "two variances", "-", "no conditions for Levene's F test"), c("chi-squared distribution", "row or cell frequencies", "expected frequency >= 1 and 80% >= 5", "contingency table: 3+ rows or 3+ columns")), booktabs = TRUE, col.names = c("Distribution", "Sample statistic", "Minimum sample size", "Other requirements")) %>% |
