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You take a sample of 22 from a population of test scores

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You take a sample of 22 from a population of test scores and the mean of your sample is 60. A) you know the standard deviation of the population is 10. What is the 99% Confidence Interval on the population mean? B) Now assume you do not know the population standard deviation, but the standard deviation in your sample is 10. What is the 99% Confidence Interval on the mean now?

Reference no: EM13607857

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