A simple random sample of size 23 has mean x = 1.48 and standard deviation s =
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A simple random sample of size 23 has mean x̄ = 1.48 and standard deviation s = 1.32. The population is approximately normally distributed. Construct a 99% 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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