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What Is the Pooled Variance for the Following Two Samples $n=8$

Question 66

Multiple Choice

What is the pooled variance for the following two samples? Sample 1: $n=8$ and $\mathrm{SS}=168 \\$ Sample $2: \mathrm{n}=6$ and SS $=120$

A) 7
B) $\sqrt{7}$
C) $20.57$
D) 24

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