Cj 381 final - Study guides, Class notes & Summaries

The independent-samples test is designed to measure _____________ between two samples that are independent of each other or two subsets within the same sample - correct answer Mean differences A ______________ t-test for two samples means is appropriate when we can assume that the population standard deviations are equal - correct answer Pooled variance Even if the means in the population are equa...

If we find that the differences between the sample mean is a rare event, we will conclude that - correct answer The null hypothesis is rejected For a study that contains 2 groups with a total of 18 participants, how many degrees of freedom are there for a dependent means t-test? - correct answer 17 (subtract 1 from the number) T or F- If the standard error of the difference between two samples is ...