T Test. The independent samples t test comes in two different forms. A t test is a statistical test that is used to compare the means of two groups.
And the data at least approximately follow a normal distribution. Student s test t test notes when the difference between two population averages is being investigated a t test is used. For example compare whether systolic blood pressure differs between a control and treated group between men and women or any other two groups.
The independent samples t test comes in two different forms.
A t test is a type of inferential statistic used to determine if there is a significant difference between the means of two groups which may be related in certain features. If you have two groups with paired observations e g before and after measurements use the paired t test. The t test compares one variable perhaps blood pressure between two groups. A t test is a type of inferential statistic used to determine if there is a significant difference between the means of two groups which may be related in certain features.