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BIOSTATISTICS
Year : 2015  |  Volume : 1  |  Issue : 1  |  Page : 27-28

Student's t-test for independent samples


The Research Institute, Temple University/St. Luke's University Health Network School of Medicine, 801 Ostrum Street, Bethlehem, Pennsylvania 18015, USA

Correspondence Address:
Jill C Stoltzfus
Temple University/St. Luke's University Health Network School of Medicine, 801 Ostrum Street, Bethlehem, Pennsylvania 18015
USA
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Source of Support: None, Conflict of Interest: None


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When analyzing data for two independent groups (e.g., males vs. females), the Student's t-test is commonly used for normally distributed data measured on a continuous/interval scale (e.g., body mass index). The mathematical formula for the Student's t-test includes the mean between-group difference in the numerator and between-group variability in the denominator. The following core competencies are addressed in this article: Medical knowledge.


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