37. Which of the following formulas is used to calculate the population standard deviation? (х — и)2 A. o =E C. s = 0-= Vn (x - H)2 N D. o2 = E N yn 38. 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 B.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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37. Which of the following formulas is used to calculate the population standard deviation?
(х — и)2
A. o =E
C. s =
0-=
Vn
(x - H)2
N
D. o2 = E
N
yn
38. 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
B.
Transcribed Image Text:37. Which of the following formulas is used to calculate the population standard deviation? (х — и)2 A. o =E C. s = 0-= Vn (x - H)2 N D. o2 = E N yn 38. 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 B.
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