@book{1169,
	author = {Spiegel, Murray R.},
	title = {Schaum's outline of theory and problems of statistics /},
	publisher = {McGraw-Hill,},
	year = {c1992.},
	series = {Schaum's outline series},
	address = {New Delhi:},
	edition = {2nd ed.},
	note = {Includes index.}
}