Basic statistics :
Spatz, Chris,
Basic statistics : tales of distributions /Chris Spatz - 9th ed. - Belmont, CA : Wadsworth, 2007. - xviii,476p. : ill. ; 25cm
Basic statistics : tales of distributions /Chris Spatz - 9th ed. - Belmont, CA : Wadsworth, 2007. - xviii,476p. : ill. ; 25cm