Schaum's outlines :
Spiegel, Murray R.
Schaum's outlines : statistics / Murray R. Spiegel, Larry J. Stephens. - Fourth - New York, NY : Mcgraw-Hill, c2011. - xix, 577 p. : ill. ; 28 cm. - Schaum's outlines. .
Schaum's outlines : statistics / Murray R. Spiegel, Larry J. Stephens. - Fourth - New York, NY : Mcgraw-Hill, c2011. - xix, 577 p. : ill. ; 28 cm. - Schaum's outlines. .