Elementary Statistics : Picturing the World

Every aspect of Elementary Statistics has been carefully crafted to help readers learn statistics. The Third Edition features many updates and revisions that place increased emphasis on interpretation of results and critical thinking over calculations. Chapter topics include probability, discrete probability distributions, normal probability distributions, confidence intervals, hypothesis testing, correlation and regression, chi-square tests and the f-distribution, and nonparametric tests. For readers who want a comprehensive, step-by-step, flexible introduction to statistics.