@book{144979,
	author = {Madsen, Richard W. and Moeschberger, Melvin L.},
	title = {Statistical concepts with applications to business and economics /},
	publisher = {Prentice-Hall,},
	year = {c1980.},
	address = {Englewood Cliffs, N.J. :},
	note = {Includes index.}
}