@book{133032,
	author = {Bernstein, Stephen. and Bernstein, Ruth.},
	title = {Schaum's outline of theory and problems of elements of statistics II :},
	publisher = {McGraw-Hill,},
	year = {c1999.},
	series = {Schaum's outline series},
	address = {New York :},
	note = {Includes index.}
}