@book{2553,
	author = {Healey, Joseph F.},
	title = {The essentials of statistics :},
	publisher = {Wadsworth/Cengage Learning,},
	year = {c2010.},
	address = {Belmont, CA :},
	edition = {2nd ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1212/2008940409-d.html}
}