Using R for Introductory Statistics : John Verzani

Index 401robust statistic, 193sample, 146sample mean, 43sample median, 44sample standard deviation, 49sample variance, 49, 56sampling distribution, 148scatterplot, 82scatterplot matrix, 109short-tailed distribution, 62significance level, 214significance test, 214t-test, 223sign test, 229test of proportion, 219chi-square test, 252Kolmogorov-Smirnov test, 267partial F-test, 308rank-sum test, 245Shapiro-Wilk test, 271signed-rank test, 230two-sample t-test, 238two-sample test of proportion, 234simple linear regression model, 90, 277skewed distribution, 62skewed left, 62skewed right, 62slicing, 17slots, 401Spearman rank correlation, 88spike plot, 143standard error, 185, 233standard normal, 153standardized residuals, 285startup file, 132, 361statistical inference, 2, 141statistically significant, 214stem-and-leaf plot, 41strip chart, 42summation notation, 47symmetric distribution, 61tails of a distribution, 62test statistic, 214χ 2 test statistic, 251t-test, 222Kolmogorov-Smirnov, 267proportion, 218sign test, 228signed-rank test, 230