Please answer all 3 parts and kindly show all workings. Thank you!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 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*200130450 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 ?2 test underlying the generation of the above b) Find the missing values ‘*’, ‘**’, ‘***’, ‘??’ and ‘???’. c) What is the conclusion of this test? Give reasons for your answer.

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Description: Please answer all 3 parts and kindly show all workings. Thank you!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

1. In this case, it is needed to test whether the various income brackets of residents and their…

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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Please answer all 3 parts and kindly show all workings. Thank you!

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	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 ?2 test underlying the generation of the above
b) Find the missing values ‘*’, ‘**’, ‘***’, ‘??’ and ‘???’.
c) What is the conclusion of this test? Give reasons for your answer.

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