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a) Carefully define the null and alternative hypotheses of the χ2 test underlying the generation of the above table. b) Fill in the missing values ‘*’, ‘**’, ‘***’, ‘****’ and ‘*****’. c) What is the conclusion of this test at the 5% level of significance? Give reasons for your answer. d) Name two limitations of this test.

a) Carefully define the null and alternative hypotheses of the χ2 test underlying the generation of the above table. b) Fill in the missing values ‘*’, ‘**’, ‘***’, ‘****’ and ‘*****’. c) What is the conclusion of this test at the 5% level of significance? Give reasons for your answer. d) Name two limitations of this test.

MATLAB: An Introduction with Applications
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 χ2 test underlying the generation of the above table.

b) Fill in the missing values ‘*’, ‘**’, ‘***’, ‘****’ and ‘*****’.

c) What is the conclusion of this test at the 5% level of significance? Give reasons for your answer.

d) Name two limitations of this test. 

The data below shows car model and the color of vehicles sold at a Car dealership. Hyundai 20 Honda 11 Toyota 6 15.40 8.648 13.51 Red Black White Total Chi Sq = 1.37 0.22 0.28 15 16.95 22 24.65 57 +0.64 +1.30 + 4.18 + *** 6 9.51 15 13.84 32 18 14.86 + 0.02 26 21.62 50 +0.00 + 0.04 + +0.75 + Daihatsu 8 * DF = ****, P-Value = ***** No cells with expected counts less than 5 9 8.62 12 12.54 29 + 0.10 +0.89 + 0.02 + 0.75 = 10.47 Subaru 5 4.59 7 5.05 5 7.35 17 Total 50 55 ** 185
Transcribed Image Text:The data below shows car model and the color of vehicles sold at a Car dealership. Hyundai 20 Honda 11 Toyota 6 15.40 8.648 13.51 Red Black White Total Chi Sq = 1.37 0.22 0.28 15 16.95 22 24.65 57 +0.64 +1.30 + 4.18 + *** 6 9.51 15 13.84 32 18 14.86 + 0.02 26 21.62 50 +0.00 + 0.04 + +0.75 + Daihatsu 8 * DF = ****, P-Value = ***** No cells with expected counts less than 5 9 8.62 12 12.54 29 + 0.10 +0.89 + 0.02 + 0.75 = 10.47 Subaru 5 4.59 7 5.05 5 7.35 17 Total 50 55 ** 185
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2. Name two limitations of this test. 

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