Test T De Student Formule. Soit n a et n b la taille du groupe a et celle du groupe b respectivement. Out of the total 150 students a sample of 10 students has been picked.
When the scaling term is unknown and is replaced by an estimate based on the data the test statistics follow a student s t distribution. Let us take the example of a classroom of students that appeared for a test recently. S x 1 x 2 s x 1 2 s x 2 2 2.
T x 1 x 2 s x 1 x 2 2 n.
Out of the total 150 students a sample of 10 students has been picked. Aplícase cuando la población estudiada sigue una distribución normal pero l tamañu muestral ye demasiáu pequeñu como por que el estadísticu nel que ta basada la inferencia tea de normal. The t test can be used for example to determine if the means o. Soit n a et n b la taille du groupe a et celle du groupe b respectivement.
