Question: You take a simple random sample of size 8 from
You take a simple random sample of size 8 from Population1 and a simple random sample of size 12 from Population 2. The mean of the first sample is 24; the sample standard deviation is 4. The mean of the second sample is 18; the sample standard deviation is 5. Show the 90% confidence interval estimate of the difference between the means of the two populations represented here.
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