When using the 'Standard Deviation Rule' to test the differences in selection rates among groups, if the difference in means is greater than ________ standard deviations, the difference in means is considered to be significant between the two groups.
A)1.0
B)1.64
C)1.96
D)2.55

Question

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The Answer of When using the 'Standard Deviation Rule' to test the differences in selection rates among groups, if the difference in means is greater than ________ standard deviations, the difference in means is considered to be significant between the two groups.
A)1.0
B)1.64
C)1.96
D)2.55

When Using the 'Standard Deviation Rule' to Test the Differences