A random sample of residents from various income brackets was 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 LowMiddleHighTotalFor26(30.67)75(51.11)14(33.22)115Against60(69.33)95(115.56)105(**)260Neutral34(20)30(33.33)11(21.67)75Total*200130450Chi-sq =0.71 +11.17 +11.12 + *** +3.66 +11.89 + 9.8 +0.33 +5.25 =55.2DF =??, p-value =??? Carefully define the null and alternative hypotheses of the x2 test underlying the generation of the above table. Find the missing values ‘*’, ‘**’, ‘***’, ‘??’ and ‘???’.What is the conclusion of this test? Give reasons for your answer.

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Answered: A random sample of residents from…

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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A random sample of residents from various income brackets was 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	High	Total
For	26 (30.67)	75 (51.11)	14 (33.22)	115
Against	60 (69.33)	95 (115.56)	105 (**)	260
Neutral	34 (20)	30 (33.33)	11 (21.67)	75
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 =???

Carefully define the null and alternative hypotheses of the x2 test underlying the generation of the above table.
Find the missing values ‘*’, ‘**’, ‘***’, ‘??’ and ‘???’.
What is the conclusion of this test? Give reasons for your answer.

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