Answered: You conduct an ANOVA test to determine…

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

You conduct an ANOVA test to determine whether rap, folk, country, or pop music genres record their music using more layers of sound. You calculate your F-value at an alpha of 0.05 and the appropriate degrees of freedom and it is 7.23. You find the critical value from the appropriate F-table and it is 7.56. Is it true or false that you reject your null hypothesis of no difference in the number of sound layers found in songs from the abovementioned music genres?

3) One challenge with ANOVA is that:

a) The alternative hypothesis doesn't specify which categories differ from which

b) The null hypothesis doesn't specify which categories differ from one which

c) The test is not very robust to heteroscedacity

d) The test is not very robust to deviations in normality

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