Includes bibliographical references (p. 495) and index.

Unit I. Descriptive statistics -- Introduction : what is statistics all about? -- Using polystat to do statistical analysis -- Presentation of data -- Summarizing data and using descriptive statistics -- Unit I I. Basic probability and probability distributions -- Basic probability : theory and applications -- Sampling and the normal distribution -- T he central limit theorem -- Unit III. Hypothesis testing -- Introductio n to inferential statistics -- Estimating means, proportions, and sampl e size with confidence -- Validating a hypothesis about a single popula tion mean using a sample -- Validating hypotheses between two populatio n means -- Validating hypotheses about a single population proportion - - Validating hypotheses about two population proportions -- Unit IV. Me asures of association -- Comparing more than two population means with anova -- Comparing more than two population proportions using the chi-s quare test -- Determining relationships for two variables using correl ation -- Measuring relationships with simple regression analysis -- Mea suring multivariate relationships with regression analysis -- Planning statistical research.