Instruction 10-12
Two samples each of size 25 are taken from independent populations assumed to be normally distributed with equal variances.The first sample has a mean of 35.5 and standard deviation of 3.0 while the second sample has a mean of 33.0 and standard deviation of 4.0.
-Referring to Instruction 10-12,the pooled (i.e. ,combined)variance is ________.

Question

Quizplus · Accepted Answer

The Answer of Instruction 10-12
Two samples each of size 25 are taken from independent populations assumed to be normally distributed with equal variances.The first sample has a mean of 35.5 and standard deviation of 3.0 while the second sample has a mean of 33.0 and standard deviation of 4.0.
-Referring to Instruction 10-12,the pooled (i.e. ,combined)variance is ________.

Instruction 10-12 Two Samples Each of Size 25 Are Taken from Independent