Recently a credit bureau reporting agency reported that the average credit score for a new car loan was 735. Suppose bay credit union would like to test the hypothesis that the average credit score has increased since the agency report. A random sample of 30 new car loans has an average credit score of 746.2 with a sample standard deviation of 24.5. Bay credit union would like to set a=0.02. The critical value for the hypothesis test would be? 2.05, 1.282,2.15, 1.729