1. A researcher is conducing a chi square test for goodness of fit to evaluate preferences among three different designs for a new automobile. With a sample of n = 30 the researcher obtains a chi-square statistic of x = 4.81. What is the appropriate statistical decision for this outcome? a. Reject the null hypothesis with a = .05, but not with a = .01. b. Reject the null hypothesis with either a = .05 or a = .01. c. Fail to reject the null hypothesis with either a = .05 or a = .01. d. There is not enough information to determine the appropriate decision 2. Which of the following is the correct equation to compute df for the chi square test for goodness of fit? a. n - 1 b. n - 2 c. n - C (where C is the number of categories) d. None of the above 3. A researcher uses a sample of 20 college sophomores to determine whether they have any preference between two cell phones. Each student uses each phone for one day and then selects a favorite. If 14 students select the first phone and only 6 choose the second then what is the value of x a. 0.80 b. 1.60 c. 3.20 d. 11.0