how to test for group differences in a subsample how do you test group differences is sample independence test a good test when to test for group differences test for differences between sample and subsample test for group differences test for sample-subsample differences what tests are used to test the sample independence when do i test for group differences what type of t-test test is used to test for a difference between an entire sample and a subsample test group differences what is test for group differences what test is used to assess sample independent mean which test should be used to test for group differences test for independent sample and subsample what is the test to test for group differences? what tests for group differences what test to test for group differences what to do with the sample independent test why test for group differences between a sample and a subsample