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12. The Department of Health has the following data of the number of infected persons of Covid-19 in five high-risk areas in the country, 51, 89, 129, 215, and 297. Suppose samples of size 2 high-risk areas are drawn from this population, what example of the sampling distribution of the sample mean for normal population portrays the situation? A. variance is known B. variance is unknown C. standard deviation is small D. standard deviation is large O 13. Givenu = 88, X = 90 s = 2, and n = 15. This is an example of the sampling distribution of the sample mean for a normal population when the population variance is A. unknown B. known C. large D. small

12. The Department of Health has the following data of the number of infected persons of Covid-19 in five high-risk areas in the country, 51, 89, 129, 215, and 297. Suppose samples of size 2 high-risk areas are drawn from this population, what example of the sampling distribution of the sample mean for normal population portrays the situation? A. variance is known B. variance is unknown C. standard deviation is small D. standard deviation is large O 13. Givenu = 88, X = 90 s = 2, and n = 15. This is an example of the sampling distribution of the sample mean for a normal population when the population variance is A. unknown B. known C. large D. small

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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12. The Department of Health has the following data of the number of infected persons of Covid-19 in five high-risk areas in the country, 51, 89, 129, 215, and 297. Suppose samples of size 2 high-risk areas are drawn from this population, what example of the sampling distribution of the sample mean for normal population portrays the situation? A. variance is known B. variance is unknown C. standard deviation is small D. standard deviation is large O 13. Givenu = 88, X = 90 s = 2, and n = 15. This is an example of the sampling distribution of the sample mean for a normal population when the population variance is C. large D. small A. unknown B. known
Transcribed Image Text:12. The Department of Health has the following data of the number of infected persons of Covid-19 in five high-risk areas in the country, 51, 89, 129, 215, and 297. Suppose samples of size 2 high-risk areas are drawn from this population, what example of the sampling distribution of the sample mean for normal population portrays the situation? A. variance is known B. variance is unknown C. standard deviation is small D. standard deviation is large O 13. Givenu = 88, X = 90 s = 2, and n = 15. This is an example of the sampling distribution of the sample mean for a normal population when the population variance is C. large D. small A. unknown B. known
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