a)Carefully define the null and alternative hypotheses of the x2 test underlying the generation of the above table. b) Find the missing values ‘*’, ‘**’, ‘***’, ‘??’ and ‘???’. c) What is the conclusion of this test? Give reasons for your answer.
a)Carefully define the null and alternative hypotheses of the x2 test underlying the generation of the above table. b) Find the missing values ‘*’, ‘**’, ‘***’, ‘??’ and ‘???’. c) What is the conclusion of this test? Give reasons for your answer.
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)Carefully define the null and alternative hypotheses of the x2 test underlying the generation of the above table.
b) Find the missing values ‘*’, ‘**’, ‘***’, ‘??’ and ‘???’.
c) What is the conclusion of this test? Give reasons for your answer.
Transcribed Image Text:A random sample of residents from various income brackets were asked their opinion on tax reform
for the country of Guyana. The data so gathered were analyzed by a statistician and the results he
obtained using MINITAB are shown below:
Expected counts are printed below observed counts
Low
Middle
нigh
Total
26
(30.67)
For
75
14
115
(51.11)
(33.22)
Against
60
95
105
260
(69.33)
(115.56)
(**)
Neutral
34
30
11
75
(20)
(33.33)
(21.67)
Total
200
130
450
Chi-sq
0.71 +
11.17 +
11.12 +
*** +
3.66 +
11.89 +
9.8 +
0.33 +
5.25 =
55.2
DF = ??, p-value =???
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