E Homework: Homew... 15 19 21 14 19 22 23 13 22 18 13 a) What conclusion should be drawn? Determine the critical value(s). The critical value(s) is(are) 1.383 . (Round to three decimal places as needed. Use a comma to separate answers as needed.) Determine the test statistic, to t = [ (Round to two decimal places as needed.)