Multiple Choice
In the formula,t = (M1 - M2) / Sdifference,"Sdifference" is
A) the sum of the standard deviations of the distribution of means.
B) the pooled estimate of the populations' standard deviation.
C) the standard deviation of the distribution of differences between means.
D) the average standard deviation of the two samples.
Correct Answer:

Verified
Correct Answer:
Verified
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