Essential Information. Professionals in hospital management, also known as health services management, usually have the job title of hospital manager or hospital administrator. They typically coordinate and direct the delivery of healthcare services in a hospital system.
Student's t-test. A t-test is any statistical hypothesis test in which the test statistic follows a Student's t-distribution under the null hypothesis. It can be used to determine if two sets of data are significantly different from each other.
BREAKING DOWN 'T-Test'. The test statistic in the t-test is known as the t-statistic. The t-test looks at the t-statistic, t-distribution and degrees of freedom to determine a p value (probability) that can be used to determine whether the population means differ. The t-test is one of a number of hypothesis tests. To compare three or more variables, statisticians use an analysis of variance (ANOVA).