SophiaPretty

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Category > Statistics Posted 27 Aug 2017 My Price 6.00

Given: n = 81 observations with sample mean and variance of 10.5

Given: n = 81 observations with sample mean and variance of 10.5

and 9 respectively, from a Normal population with unknown mean and variance. Construct and interpret a 90%, 95% and 99% confidence interval for the population mean?

(Hint: Variance is given, so you need to calculate standard deviation after taking square root of the variance).

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SophiaPretty
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Status NEW Posted 27 Aug 2017 08:08 AM My Price 6.00

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