What is the standard error of the difference?
a. The standard deviation of the sample means
b. The standard deviation of the sampling distribution of the mean
c. The standard deviation of the sampling distribution of differences between means
d. The pooled standard deviation from the populations from which the samples are drawn
Question 2
What is pooled variance?
a. The weighted average of the sample variances
b. The variance of the difference between the sample means
c. The sum of the two sample variances
d. The variance of the populations from which the samples were drawn
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