Business Statistics: For Contemporary Decision Making, 8th Edition

PREFACE

In the eighth edition of Business Statistics for Contemporary Decision Making continues the tradition of presenting and explaining the wonders of business statistics through the use of clear, complete, student-friendly pedagogy. The author and Wiley have expanded the vast ancillary resources available through WileyPLUS with which to complement the text in helping instructors effectively deliver this subject matter and in assisting students in their learning. With WileyPLUS instructors have far greater latitude in developing and delivering their course than ever before.

In this edition, several changes have been made in an effort to improve the delivery and completeness of the text. While no new sections or chapters have been added to the text, there have been two topical changes. In Chapter 6, a new topic “Using Probabilities to Solve for the Mean, the Standard Deviation, or an x Value in a Normal Distribution” explains how to solve problems in which students are required to use their normal curve skills to work problems “backwards” to find an unknown mean, standard deviation, or x value using the standard normal distribution table. In addition, in Chapter 9, the more standard and well-known eight-step approach to testing hypotheses replaces the HTAB system of testing hypotheses. From Chapter 9 on through Chapter 17, all hypothesis testing demonstration problems and examples are given within the framework of the eight-step approach.

In the eighth edition, all the features ...