Again… what? There is simply nothing “wrong” or “incorrect” about combining different sized samples to test the results. There are correct techniques for testing this kind of things (“Z-transformation” method, to be specific!) and it was used to make the test. | Again… what? There is simply nothing “wrong” or “incorrect” about combining different sized samples to test the results. There are correct techniques for testing this kind of things (“Z-transformation” method, to be specific!) and it was used to make the test. |