Question 5 (1 point) A professor believes that the average score on a recent exam was less than 83. Assume that the test scores are normally distributed. You ask some people in class how they did, and you record the following scores: 82 A 77, 85, 76, 81, 91, 70, 82. Suppose you want to test whether the professor's statement is correct. What is the appropriate decision rule? Reject HO if t statistic > ta,8 Reject HO if t statistic > ta, 7 Reject HO if t statistic ta/2,8 Previous Page Next Page Page 5 of 38 Submit Quiz 3 of 40 questions saved