Chaffe-Stengel, Priscilla M. Working with sample data : exploration and inference / Priscilla Chaffe-Stengel, Donald N. Stengel. - New York, N.Y. : Business Expert Press, 2012. - x, 151 p. : ill. ; 23 cm. - Quantitative approaches to decision making collection . Includes index. Originally published in 2011. ISBN: 9781606492130 (pbk.) Subjects--Topical Terms: Commercial statistics.Statistics. Dewey Class. No.: 519.5 / CHA 2012