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Question 89

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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A dependent random sample from two normally distributed populations gives the following results:
n = 20, THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: A dependent random sample from two normally distributed populations gives the following results: n = 20, = 27.5,and s<sub>d</sub> = 3.2 -Find the 95% confidence interval for the difference in the means of the two populations. A) 24.58 < μ<sub>d</sub> < 26.89 B) 26.26 < μ<sub>d</sub> < 28.74 C) 25.42 < μ<sub>d</sub> < 27.93 D) 28.29 < μ<sub>d</sub> < 30.25
= 27.5,and sd = 3.2
-Find the 95% confidence interval for the difference in the means of the two populations.


A) 24.58 < μd < 26.89
B) 26.26 < μd < 28.74
C) 25.42 < μd < 27.93
D) 28.29 < μd < 30.25

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