2. Last 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: Last rating period, the percentages of viewers watching several channels between 11 p.m. and 11:30 p.m. in a major TV market were asfollows:WDUXWWTYWACOWTJW(News)18%(News)21%(Cheers Reruns)24%(News)16%Others21%Suppose that in the current rating period, a survey of 2,000 viewers gives the following frequencies:WDUXWWTYWACOWTJW(News)(News)(Cheers Reruns)(News)Others282401470321526Epicture Click here for the Excel Data File(a) Show that it is appropriate to carry out a chi-square test using these data.Each expected value is 2(b) Determine whether the viewing shares in the current rating period differ from those in the last rating period at the 10 level ofsignificance. (Round your answer to 3 decimal places.)x^2

(a) In order to carry the chi square test using the given data, each of the expected frequency…

Last 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: WWTY (News) (News) 21% WDUX WTJW (News) Others 16% WACO (Cheers Reruns) 24% 18% 21% Suppose that in the current rating period, a survey of 2,000 viewers gives the following frequencies: WWTY (News) WDUX WACO WTJW (News) (Cheers Reruns) (News) Others 282 401 470 321 526 Bpicture Click here for the Excel Data File (a) Show that it is appropriate to carry out a chi-square test using these data. Each expected value is 2 (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.) x^2

Last 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: WWTY (News) (News) 21% WDUX WTJW (News) Others 16% WACO (Cheers Reruns) 24% 18% 21% Suppose that in the current rating period, a survey of 2,000 viewers gives the following frequencies: WWTY (News) WDUX WACO WTJW (News) (Cheers Reruns) (News) Others 282 401 470 321 526 Bpicture Click here for the Excel Data File (a) Show that it is appropriate to carry out a chi-square test using these data. Each expected value is 2 (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.) x^2

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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Question

2. Last 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:

Last 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
WWTY
WACO
WTJW
(News)
18%
(News)
21%
(Cheers Reruns)
24%
(News)
16%
Others
21%
Suppose that in the current rating period, a survey of 2,000 viewers gives the following frequencies:
WDUX
WWTY
WACO
WTJW
(News)
(News)
(Cheers Reruns)
(News)
Others
282
401
470
321
526
Epicture Click here for the Excel Data File
(a) Show that it is appropriate to carry out a chi-square test using these data.
Each expected value is 2
(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.)
x^2

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