Three hundred individuals were asked to view the picture quality of four different TVs and asked to choose the one they preferred. The data is shown in the following table: TV Model Number Who preferred A 82 B 65
Three hundred individuals were asked to view the picture quality of four different TVs and asked to choose the one they preferred. The data is shown in the following table: TV Model Number Who preferred A 82 B 65
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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#15

Transcribed Image Text:Three hundred individuals were asked to view the picture quality of four different TVs and asked to
choose the one they preferred. The data is shown in the following table:
TV Model
Number Who preferred
A
82
65
C
73
D
80
Total
300
equality of proportions at
0.05 level.
a.
What are the null and alternative hypotheses?
b.
Test the equality of proportions at the 0.05 level the hypotheses.
Compute the test statistic.
с.
Test the equality of proportions at the 0.05 level the hypotheses.
State the decision rule in terms of the critical value.
What is the conclusion?
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