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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

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 AB CDEFGHIJ Test Score 74 78 7083 90 958797 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 (c) The P-value is (rounded to 2 decimals). (d) Is there sufficient evidence to support the claim that people do better than 75 on this exam? A. No B. Yes (e) Construct a 99% confidence interval for the mean score for students using the new text. [<<
Transcribed Image Text: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 AB CDEFGHIJ Test Score 74 78 7083 90 958797 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 (c) The P-value is (rounded to 2 decimals). (d) Is there sufficient evidence to support the claim that people do better than 75 on this exam? A. No B. Yes (e) Construct a 99% confidence interval for the mean score for students using the new text. [<<
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