In a within groups design, what will happen to the t statistic if the variance of the difference scores increases? It will stay the same; the t statistic is not affected by the variance of the difference scores. It will increase (move farther toward the tail of the distribution). It will decrease (move toward 0 at the center of the distribution). It may increase or may decrease. There is no consistent relationship between variance and the size of the t statistic.
In a within groups design, what will happen to the t statistic if the variance of the difference scores increases? It will stay the same; the t statistic is not affected by the variance of the difference scores. It will increase (move farther toward the tail of the distribution). It will decrease (move toward 0 at the center of the distribution). It may increase or may decrease. There is no consistent relationship between variance and the size of the t statistic.
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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In a within groups design, what will happen to the t statistic if the variance of the difference scores increases?
It will stay the same; the t statistic is not affected by the variance of the difference scores.
It will increase (move farther toward the tail of the distribution).
It will decrease (move toward 0 at the center of the distribution).
It may increase or may decrease. There is no consistent relationship between variance and the size of the t statistic.
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