Test T De Student Formule. En estadística una prueba t de student prueba t student o test t ye cualesquier prueba na que l estadísticu utilizáu tien una distribución t de student si la hipótesis nula ye cierta. Soit n a et n b la taille du groupe a et celle du groupe b respectivement.
Soit m a et m b la moyenne du groupe a et celui du groupe b respectivement. In this article we will discuss the t test formula with an example. In this test statistician follows a student t distribution.
Let us take the example of a classroom of students that appeared for a test recently.
The welch s t test which is less restrictive compared to the original student s test. Let us take the example of a classroom of students that appeared for a test recently. The standard student s t test which assumes that the variance of the two groups are equal. Out of the total 150 students a sample of 10 students has been picked.
