This book is a logical and necessary follow-up to the authors first book, Statistical First Aid, a highly successful textbook for those wishing to be comfortable consumers of the health research literature. Statistical Operations carries the topic further for those who contribute to that literature. Traditional statistical topics are thoroughly discussed as well as other methods that play important roles in the analysis of basic and clinical data. The text employs many practice problems and includes as appendices answers to those problems, statistical tables, flow charts summarizing the statistical methods, as well as offering free software working out some of these problems