Ranked test

Eight students were given a pretest to measure their public speaking anxiety. They completed a workshop and then were given a post test. At 0: =0.05, did the workshop lower their anxiety (a lower score indicates a lower anxiety level)? Pretest 23 26 30 31 POSt test A. Determine the critical value. B. Determine the test statistic. C. What is the decision? 0 Reject Ho 0 Fail to reject Ho