2 Sample T Test Test Statistic. The consultant performs a 2 sample t test to determine whether there is a difference in the patient ratings between the hospitals. The software shows results for a two sided test and for one sided tests.
Math ap college statistics inference comparing two groups or populations testing the difference between two means. Example of hypotheses for paired and two sample t tests. The number of degrees of freedom for the problem is the smaller of n 1 1 and n 2 1.
The results for the two sample t test that assumes equal variances are the same as our calculations earlier.
It is calculated by adding all the data in a population and then dividing the total by the number of points. The software shows results for a two sided test and for one sided tests. The data may either be paired or not paired. Choose stat basic statistics 2 sample t.
