do t tests measure p on test results how to test if two samples are equal why use t test when comparing two samples how is two samples equal what test would be used to test if two samples are different how to tell if two samples are equal when i test a positive and negative difference, how do i find out how to tell if two samples are equal how to test two samples equal how can i test that two samples are equal how to test if two test are equal if two samples are equal can you test this test what is the difference between a positive control and a negative sample how do you test when a sample is different from a control? how to test when two samples are equal do you use t test when comparing two samples to test the results of a t test how do i test the value of a test to confirm that it's a negative test for a test how do you test two samples are equal what tests should an t-test be used to check how to test for two different samples