@book{5886,
	author = {Bowerman, Bruce L,  and O'Connell, Richard T, },
	title = {Business statistics in practice / },
	publisher = { McGraw-Hill/Irwin, },
	year = { c2007.},
	series = {The McGraw-Hill/Irwin series operations and decision sciences},
	address = {Boston : },
	edition = {4th ed.}
}