Chances are you are checking out this text because it's the mandated book for a class; if so, I advise you to buy a cheap used copy or borrow it from another student. The only thing I found helpful about this book was the Excel guide. The definitions and explanations of concepts are lacking. I took stats years ago; when I was re-taking it this round, I found myself going back to my old textbook for clarification. This book will be enough to get you through knowing the formulas, help you figure out how to use Excel for stats... but if you really want to *understand* the concepts, there are better books out there.