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A sample of 8 observations is selected from a normal population for which the population standard...

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Statistics

A sample of 8 observations is selected from a normal populationfor which the population standard deviation is known to be 4. Thesample mean is 19. (Round your answers to 3 decimalplaces.)

(a)The standard error of the mean is .
(c)

The 95 percent confidence interval for the population mean isbetween  and .

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Solution Given thatPoint estimate sample mean 19Population    See Answer
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