Used and good.

Gravetter and Wallnau's proven best-seller gives you straightforward instruction, guaranteed accuracy, built-in learning aids, and plenty of real-world examples that will help you understand statistical concepts. The authors take time to explain statistical procedures so that you can go beyond memorizing formulas and gain a conceptual understanding of statistics. The authors also take care to show you how having an understanding of statistical procedures will help you comprehend published findings and will lead you to become a savvy consumer of information.