MATH 533 Week 4 Quiz..

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Contributor

Mike Mentzer

Category

Mathematices

Course

MATH 533 Applied Managerial Statistics

Institute

DeVry

Pages

63

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Suppose a random sample of 400 is selected from a Confidence Interval for µ 98% 400 25.00 5.00 t Confidence Level n Mean StDev Use t or z? 0.25 2.34 0.58 24.42 25.58 SE t-value Margin of Error Lower Limit Upper Limit The point estimate of the population mean is Suppose a random sample of 50 is drawn from a po Confidence Interval for µ 92% 50 70.00 5.00 t Confidence Level n Mean StDev Use t or z? 0.71 SE t-value Margin of Error Lower Limit Upper Limit Suppose a researcher is 1.79 1.26 68.74 71.26 interested in understanding Confidence Interval for µ 92% 36 3.13 0.23 t Confidence Level n Mean StDev Use t or z? 0.04 1.80 0.07 3.06 3.20 SE t-value Margin of Error Lower Limit Upper Limit Brian Vanecek, VP of Operations at Portland Trust B Confidence Interval for µ 90% 64 15.00 4.00 t Confidence Level n Mean StDev Use t or z? 0.50 1.67 0.83 14.17 15.83 SE t-value Margin of Error Lower Limit Upper Limit James Desreumaux, VP of Human Resources of Amer Confidence Interval for µ 88% 100 25.00 5.00 t Confidence Level n Mean StDev Use t or z? 0.50 1.57 0.78 24.22 25.78 SE t-value Margin of Error Lower Limit Upper Limit A department store finds that in a random sample o Confidence Interval for p 90% 200 0 Confidence Level n Number of Successes 0.5430 OR 60.000% Sample Proportion 0.60 0.03 1.64 0.06 0.5430 0.6570 Sample Proportion SE z Margin of Error Lower Limit Upper Limit A researcher is interested in estimating the mean w Confidence Interval for µ 90% 17 20000 15

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