The fourth edition of this widely-used text has been fully updated to include the latest official statistics and a new chapter on simulation. Presented in a larger format, with two-colour text, the book maintains the successful formula of previous editions and continues to cater mainly for students taking the first year examinations of major professional bodies. It provides them with a comprehensive introduction to statistics in business and relates the illustrations and examples to the student's own experience. Before and concept is introduced, the need for it is fully discusses and great emphasis is laid on its interpretation.