Description based on print version record.

Includes bibliographical references and index.

About data -- Data collection in surveys -- Describing data from a single variable -- Statistical models -- Discrete probability distributions -- Continuous probability distributions -- Confidence intervals -- Hypothesis tests for a single variable -- Comparing two means -- Comparing several means with one-way ANOVA -- Two-way ANOVA for comparing means -- Proportions -- Tests for independence -- Simple regression analysis -- Simple regression extensions -- Multiple regression analysis -- Multiple regression with nominal variables -- Finding a good multiple regression model -- Exponential smoothing models for time series data.