Question: A simple random sample of size 12 has mean x = 3.37. The population standard deviation is = 1.62. The population is approximately normally

A simple random sample of size 12 has mean x̄ = 3.37. The population standard deviation is σ = 1.62. The population is approximately normally distributed. Construct a 95%

confidence interval for the population mean.

In Exercises 5–12, state which type of parameter is to be estimated, then construct the confidence interval.

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