As an introduction to statistics, Practical Statistics for Managers is ideal for anyone who needs to read and interpret data in order to make better decisions. It explains how to use statistical associations as evidence for causal connections or as measures of the effects of interventions and helps the reader to evaluate statistics obtained from observational data ranging from small samples to big data. Ultimately, this book provides a comprehensive introduction to the basis of statistics and the mathematical knowledge and understanding needed in order to be able to learn and apply critical tools such as analytics and effective decision making. This fully comprehensive text explores a wide range of applications and usages in all parts of the business and commercial world. A website provides a supporting toolkit for students.