Estimate the population standard deviation

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Reference no: EM132915554

The following sample of eight observations is from an infinite population with a normal distribution

75.3 76.4 83.2 91.0 80.1 77.5 84.8 81.0

Problem (a) Find the sample mean.

Problem (b) Estimate the population standard deviation.

Problem (c) Construct a 98 percent confidence interval for the population mean.

Reference no: EM132915554

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