ast rating period, the percentages of viewers watching several channels between 11 p.m. and 11:30 p.m. in a major TV market were as follows:   WDUX (News) WWTY (News) WACO (Cheers Reruns) WTJW (News) Others 17% 24% 22% 15% 22%   Suppose that in the current rating period, a survey of 2,000 viewers gives the following frequencies:   WDUX (News) WWTY (News) WACO (Cheers Reruns) WTJW (News) Others 348 413 476 331 432      Click here for the Excel Data File   (a) Show that it is appropriate to carry out a chi-square test using these data.           (b) Determine whether the viewing shares in the current rating period differ from those in the last rating period at the .10 level of significance. (Round your answer to 3 decimal places.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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ast rating period, the percentages of viewers watching several channels between 11 p.m. and 11:30 p.m. in a major TV market were as follows:
 

WDUX
(News)
WWTY
(News)
WACO
(Cheers Reruns)
WTJW
(News)
Others
17% 24% 22% 15% 22%
 


Suppose that in the current rating period, a survey of 2,000 viewers gives the following frequencies:

 

WDUX
(News)
WWTY
(News)
WACO
(Cheers Reruns)
WTJW
(News)
Others
348 413 476 331 432
 

 

 Click here for the Excel Data File

 

(a) Show that it is appropriate to carry out a chi-square test using these data.

 

 

 


 

 

(b) Determine whether the viewing shares in the current rating period differ from those in the last rating period at the .10 level of significance. (Round your answer to 3 decimal places.)

 

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