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.
One- and two-tailed tests - Specific tests. 1  If the test statistic follows a Student's t-distribution in the null hypothesis â which is common where the underlying variable follows a normal distribution with unknown scaling factor, then the test is referred to as a one-tailed or two-tailed t-test.