1. Determine whether the samples are Independent or Dependent in each situation below: a. You and a random group of friends submit demographic and driving data to an on-line motor vehicle insurance provider. Each of you compare your rate quote from the on-line company to the rate you are currently paying through the local "brick-and-mortar" insurance company. b. A public health researcher selected a sample of sets of twins and enrolled one twin from each set in a physical fitness course. After the course was finished, the researcher put all participants through a timed physically-challenging activity and compared times for each set of twins. 2. For a test of hypotheses to compare two means based on independent samples, what happens to the likelihood of rejecting the null hypothesis for each action/change below, holding all other ideas/terms constant? a. Decrease Your Tolerance for a Type I Error b. Increase the Sample Sizes c. Decrease the Values of the Sample Standard Deviations