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
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