Question: The following sample data have been collected based on a simple random sample from a normally distributed population: 2 8 0 2 3 5 3

The following sample data have been collected based on a simple random sample from a normally distributed population:

2 8 0 2 3 5 3 1 4 2

a. Compute a 90% confidence interval estimate for the population mean.

b. Show what the impact would be if the confidence level is increased to 95%. Discuss why this occurs.

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