Question: Construct a 90% confidence a interval for the mean of one of the columns. We want to draw inference about the population mean by a random sample with replacement from the population. To see the effect of sample size on the inference, repeat the procedure three times using random samples of sizes 25, 40 and 64 respectively. Since for the purpose of this project one can also find out the population mean, you can see how well the sample mean estimates the population mean and whether the confidence intervals contain the actual population mean.

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Solution: The downloadable solution consists of 3 pages
Deliverable: Word Document