(4 points} Consider the data set below. a: 4 3 4 4 5 2 y246538 For a hypothesis test, where H0 : ,81 : {I and H1 : ,81 5c 0, and using a: : 0.01, give the following: (a) The test statistic t : (b) The degree of freedom df: (c) The rejection region WI> The nal conclustion is CA. We can reject the null hypothesis that l : 0 and accept that B1 7E 0. O B. There is not sufcient evidence to reject the null hypothesis that l : 0