Statistics review 5: Comparison of means.
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.
Whitley
Elise
E
University of Bristol, Bristol, UK.
Ball
Jonathan
J
D000328:Adult; D003627:Data Interpretation, Statistical; D006454:Hemoglobins; D006801:Humans; D007362:Intensive Care Units; D008297:Male
D006454:Hemoglobins