(1 point) A study is conducted to determine if a newly designed text book is more helpful to learning the material than the old edition. The mean score on the final exam for a course using the old edition is 75. Ten randomly selected people who used the new text take the final exam. Their scores are shown in the table below. Person ABCDEFGHIJ Test Score 73 95 76 69 91 87 83 84 97 71 Use a 0.05 significance level to test the claim that people do better with the new edition. Assume the population standard deviation is 10.4. (a) What kind of test should be used? OA. Two-Tailed OB. One-Tailed O C. It does not matter. (b) The z-statistic is (rounded to 2 decimals). (c) The P-value is (d) Is there sufficient evidence to support the claim that people do better than 75 on this exam? OA. Yes OB. No (e) Construct a 95% confidence interval for the mean score for students using the new text.