a) Carefully define the null and alternative hypotheses of the ?2 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 random sample of residents from various income brackets were asked their opinion on tax reformfor the country of Guyana. The data so gathered were analyzed by a statistician and the results heobtained using MINITAB are shown below:Expected counts are printed below observed countsLowMiddle15TotalHigh2611514(33.22)For(30.67)(51.11)Against6095105260(69.33)(115.56)(**)Neutral34301175(20)(33.33)(21.67)Total200130450Chi-sq = 0.71 +*** +11.17 + 11.12 +3.66 + 11.89 +9.8 +0.33 + 5.25 = 55.2DF = ??, p-value =???

Answered: A random sample of residents from…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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a) Carefully define the null and alternative hypotheses of the ?2 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 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
15
Total
High
26
115
14
(33.22)
For
(30.67)
(51.11)
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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