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A statistics practitioner drew a random sample of 400 observations and found that y 700 and s 100 Estimate the population mean with

A statistics practitioner drew a random sample of 400 observations and found that y = 700 and s = 100. Estimate the population mean with 90% confidence.
b. Repeat part (a) with a 95% confidence level. c. Repeat part (a) with a 99% confidence level. d. What is the effect on the confidence interval estimate of increasing the confidence level?

Apr 02 2020 View more View Less

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