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

question 95

Short Answer

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,what is the 99% confidence interval estimate for the difference in the two means?

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