Includes index.

Why statistics? -- Descriptive statistics -- Introduction to probability and hypothesis testing -- Calculating probabilities -- Conditional probability -- Random variables -- The binomial distribution -- The normal distribution and related distributions -- Distributions with two random variables and correlation -- Statistical estimation -- Confidence intervals -- Polls and sampling -- Hypothesis testing -- The chi-square test -- Analysis of variance -- Simple regression -- Multiple regression -- Nonparametric methods -- Economic data and business forecasting -- Decision theory.