title: Statistics notebook: entry IV.C: chi 2 tests.
authors.affiliation: Department of Mathematics, California State University, Fullerton, USA.
authors.forename: P N
authors.initials: PN
authors.lastname: De Land
authors.forename: W W
authors.initials: WW
authors.lastname: Chase
mesh_terms: D006801:Humans; D009907:Optometry / Q000706:statistics & numerical data*