Question: In a multiple linear regression study, we want to check whether the results of a performance test (y) are related to the results of a

In a multiple linear regression study, we want to check whether the results of a performance test (y) are related to the results of a test of manual dexterity (x1), visual perception (x2), mechanical skill (x3) , physical efficiency (x4) and reaction time (xs) to a stimulus. A portion of the analysis of variance table of the results of the experiment appears below.

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