Two Independent Sample t-Test

 

t-test is any statistical hypothesis test in which the test statistic follows a Student’s t distribution if the null hypothesis is supported.

A two-sample t-test is used for answering questions about the mean difference where the data are collected from two random samples of independent observations, each from an underlying normal distribution.

 

 

How to do this test in SAS ?

How to do it in R ?

 

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