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When Statisticians Describe Pooling the Variances, They Mean

Question 10

Multiple Choice

When statisticians describe pooling the variances, they mean:


A) adding the standard deviations of the two samples.
B) adding the variances of the two samples.
C) taking the average of the two variances, accounting for sample size.
D) taking the average of the two variances, disregarding sample size.

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