Question
One sample has a variance of s 2 = 15 and a second sample has a variance of s 2 = 7. If the two
One sample has a variance of s2= 15 and a second sample has a variance of s2= 7. If the two samples have the same number of scores, what is the pooled variance for the two samples?
a. 10
b. 11
c. 12
d. Cannot answer without knowing the sample size.
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Linear Algebra with Applications
Authors: Steven J. Leon
7th edition
131857851, 978-0131857858
