For the following 2 questions consider the situation in which a study was conducted to determine whether the median rating of houses is the same in Los Angeles and Chicago. The following matched pairs data was collected. Los Angeles Chicago 2.43 3.29 4.22 2.09 2.53 1.05 5.29 3.50 3.54 2.05 4.53 2.85 1. Given this data, if a Mann-Whitney U test is to be used, the sum of the ranks for Los Angeles is a. 27 b. 48 C. 30 d. 9 2. For the situation above, what is the U statistic for Chicago? (2 Points) a. 48 b. 27 C. 30 d. 9 3. A survey was conducted in which six people were randomly selected to taste test four different flavors of ice cream and mark their preferences. Using a=.05, what is the appropriate critical value for the test. a. x2 =7.8147 b. x2=18.307 C. x2=5.99 d. x2=16.919