A group of students in a research methods class wanted to understand if living ituation (alone or with roommate/s) affects college students' anxiety levels. They 'ecruited eight PY 101 students who were living alone and 8 who had a roommate to take part in their study. (None of the study participants lived together.) To measure anxiety, they gave the Beck Anxiety Inventory to all participants. The scores from the anxiety inventory are listed in the following table. Question 1 What statistical test should we use? One-Sample t-test ANOVA Independent Samples t-test Related samples t-test Violation of which assumption would cause this test to have potentially invalid results? Independence of Observations All of the above Normality of Distribution Homogeneity of Variance.