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 soone 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 A B CDEFGHIJ Test Score 74 78 7083 90 9587 97 8669 Use a 0.01 significance level to test the claim that people do better with the new edition. Assume the standard deviation is 10.4. (Note: You may wish to use statistical software) (a) What kind of test should be used? A Two-Tailed B. One-Tailed C. It does not matter. (b) The test statistic is is(rounded to 2 decimals). (d) The P-value is
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 soone 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 A B CDEFGHIJ Test Score 74 78 7083 90 9587 97 8669 Use a 0.01 significance level to test the claim that people do better with the new edition. Assume the standard deviation is 10.4. (Note: You may wish to use statistical software) (a) What kind of test should be used? A Two-Tailed B. One-Tailed C. It does not matter. (b) The test statistic is is(rounded to 2 decimals). (d) The P-value is
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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