• A completely revised chapter on forecasting
• Re-arrangement of the material on data presentation with the inclusion of histograms and cumulative line plots
• A more thorough discussion of the analysis of attribute data
• Coverage of variable selection and model building in multiple regression
• End-of-chapter summaries
• More end-of-chapter problems
• A variety of case studies throughout the book

The second edition also comes with a wealth of ancillary materials provided on a CD-ROM packaged with the book. These include automatically-marked multiple-choice questions, answers to questions in the text, data sets, Excel experiments and demonstrations, an introduction to Excel, and the StiBstat Add-In for stem and leaf plots, box plots, distribution plots, control charts and summary statistics.