title: Significance tests. Part 2.
abstract: The comparison of two means obtained from either small or large samples and the comparison of two proportions is described, together with the use of logarithmic transformation of quantitative data in order to stabilise variance.
authors.forename: J S
authors.initials: JS
authors.lastname: Bulman
authors.forename: J F
authors.initials: JF
authors.lastname: Osborn
mesh_terms: D008433:Mathematics; D012107:Research Design; D013223:Statistics as Topic