@book{7717,
	author = {Spiegel, Murray R. and Stephens, Larry J.},
	title = {Schaum's outlines: Theory and problems of statistics},
	publisher = {National Book Foundation,},
	year = {c2000.},
	series = {Schaum's outline series},
	address = {Islamabad:},
	edition = {3rd. ed.},
	note = {Includes index.}
}