@book{3737,
	author = {Spiegel, Murray R. and Stephens, Larry J.},
	title = {Schaum's outline of theory and problems of statistics /},
	publisher = {McGraw-Hill;},
	year = {c1999.},
	series = {Schaum's outline series},
	address = {New York ;},
	edition = {3rd ed. /}
}