title: Statistics review 5: Comparison of means.
abstract: The present review introduces the commonly used t-test, used to compare a single mean with a hypothesized value, two means arising from paired data, or two means arising from unpaired data. The assumptions underlying these tests are also discussed.
authors.affiliation: University of Bristol, Bristol, UK.
authors.forename: Elise
authors.initials: E
authors.lastname: Whitley
authors.forename: Jonathan
authors.initials: J
authors.lastname: Ball
mesh_terms: D000328:Adult; D003627:Data Interpretation, Statistical; D006454:Hemoglobins; D006801:Humans; D007362:Intensive Care Units; D008297:Male
chemical_list: D006454:Hemoglobins