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.

(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. wIIIEElEEEEIII -EIIEEIIIIEEEEEEEI Use a 0.05 significance level to test the claim that people do better with the new edition. Assume the standard deviation is 10.8. (Note: You may wish to use statistical software.) (a) What kind of test should be used? FA. One-Tailed K\". B. Two-Tai led 5.0. It does not matter. (b) The test statistic is (rounded to 2 decimals). (c) The Pvalue is (d) Is there sufficient evidence to support the claim that people do better than 75 on this exam? FA. No K\". B. Yes (a) Construct a 95% confidence interval for the mean score for students using the new text.