title: Statistics notebook: entry IV.B: (3) two-sample pooled variance t-test and (4) two-sample separate variance t-test.
authors.affiliation: California State University, Fullerton.
authors.forename: P N
authors.initials: PN
authors.lastname: De Land
authors.forename: W W
authors.initials: WW
authors.lastname: Chase
mesh_terms: D000704:Analysis of Variance; D009907:Optometry