Introduction to Mathematical Statistics (7th Edition) by Robert V. Hogg, Joeseph McKean, Allen T Craig http://www.amazon.com/Introduction-Mathematical-Statistics-7th-Edition/dp/0321795431 Introduction to Mathematical Statistics, Seventh Edition, offers a proven approach designed to provide you with an excellent foundation in mathematical statistics. Ample examples and exercises throughout the text illustrate concepts to help you gain a solid understanding of the material.