Answered: The manager of a political party wants…

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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Question

The manager of a political party wants to find out the association between the campaign spending (Large, medium and small) and the vote obtained (Majority, Average and minority). Use Chi-squared hypothesis test for association to test that there is an association between the variable in campaign spending and the variable in vote obtained with five percent level of significance.

The manager uses MS excel to calculate the Chi-squared stat value and the result is 8.874.

Critical value: At 1% = 13.277

:At 5% = 9.488

:At 10% = 7.779

1. State the decision rule

2. Conclusion and decision

3. State the alternative hypothesis and the null hypothesis

Expert Solution

Step 1 Decision rule

$R e j e c t n u l l h y p o t h e s i s, H_{0} w h e n c a l c u l a t e v a l u e o f χ^{2} i s g r e a t e r t h a n t h e c r i t i c a l v a l u e .$

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