Why does the ANOVA use the variance differences, and not use mean differences from the data? there is no difference whether you use the means or the variance in the numerator the means are a less accurate descriptive statistic than the variance none of the answers are correct calculating the difference of multiple means in the numerator would not make mathematical sense We are testing for the _____ when we are asking how much the independent variable affected the dependent variable.

Answered: Why does the ANOVA use the variance…

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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Why does the ANOVA use the variance differences, and not use mean differences from the data?

		there is no difference whether you use the means or the variance in the numerator
		the means are a less accurate descriptive statistic than the variance
		none of the answers are correct
		calculating the difference of multiple means in the numerator would not make mathematical sense

We are testing for the _____ when we are asking how much the independent variable affected the dependent variable.

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