MATH 221

Ashford University

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[SOLVED] MATH 221 /Statistics, Algebra, Standard Deviation, Statistical hypothesis testing, researcher, analyst, CO6/ (GRADED A) QUIZ | 100% VERIFIED PAPER | Highly Rated.

[SOLVED] MATH 221 /Statistics, Algebra, Standard Deviation, Statistical hypothesis testing, researcher, analyst, CO6/ (GRADED A) QUIZ | 100% VERIFIED PAPER | Highly Rated.
Tentamen (uitwerkingen) • 18 pagina's • 2021

(CO6) From a random sample of 55 businesses, it is found that the mean time that employees spend on personal issues each week is 5.8 hours with a standard deviation of 0.35 hours. What is the 95% conf idence interval for the amount of time spent on personal issues? (5.74, 5.90) (5.72, 5.88) (5.71, 5.89) (5.73, 5.87) (CO6) If a confidence interval is given from 8.54 to 10.21 and the mean is known to be 9.375, what is the margin of error? 0.835 8.540 1.670 0.418 (CO6) Which of the following is mos...