Cornwall and Hudson, a large retail department store, wants to handle just one brand of MP3 player. The list has been narrowed to two brands: Sony and Panasonic. To help make a decision, a panel of 16 audio experts met. A music track using the Sony player was played. Then the same track was played using the Panasonic player. A “+” in the following table indicates an individual’s preference for the Sony player, a “−” indicates preference for the Panasonic player, and a 0 signifies no preference. Expert 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 + − + − + + − 0 − + − + + − + − Conduct a test of hypothesis at the .10 significance level to determine whether there is a difference in preference between the two brands.
Cornwall and Hudson, a large retail department store, wants to handle just one brand of MP3 player. The list has been narrowed to two brands: Sony and Panasonic. To help make a decision, a panel of 16 audio experts met. A music track using the Sony player was played. Then the same track was played using the Panasonic player. A “+” in the following table indicates an individual’s preference for the Sony player, a “−” indicates preference for the Panasonic player, and a 0 signifies no preference. Expert 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 + − + − + + − 0 − + − + + − + − Conduct a test of hypothesis at the .10 significance level to determine whether there is a difference in preference between the two brands.
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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Cornwall and Hudson, a large retail department store, wants to handle just one brand of MP3 player. The list has been narrowed to two brands: Sony and Panasonic. To help make a decision, a panel of 16 audio experts met. A music track using the Sony player was played. Then the same track was played using the Panasonic player. A “+” in the following table indicates an individual’s preference for the Sony player, a “−” indicates preference for the Panasonic player, and a 0 signifies no preference.
Expert
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
+ − + − + + − 0 − + − + + − + −
Conduct a test of hypothesis at the .10 significance level to determine whether there is a difference in preference between the two brands.
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