Test T De Student Formule. It can be used to determine whether two sets of data are significantly different from each other or not. Let us take the example of a classroom of students that appeared for a test recently.
T m a m b s 2 n a s 2 n b. If the mean score of the entire class is 78 and the mean score of sample 74 with a standard deviation of 3 5 then calculate the t test score of the sample. The t test can be used for example to determine if the means o.
Displaystyle t frac bar x 1 bar x 2 s x 1 x 2 cdot sqrt frac 2 n onde.
Out of the total 150 students a sample of 10 students has been picked. The t test can be used for example to determine if the means o. In the statistics t test is a very important hypothesis test. If the mean score of the entire class is 78 and the mean score of sample 74 with a standard deviation of 3 5 then calculate the t test score of the sample.