Taress Assume Use the given degree of confidence and sample data to construct a confidence interval for the population mean u.. that the population has a normal distribution. 6) 6) A sociologist develops a test to measure attitudes about public transportation, and 27 randomly selected subjects are given the test. Their mean score is 76.2 and their standard deviation is 21.4. Construct the 95% confidence interval for the mean score of all such subjects. A) 67.7 < u < 84.7 B) 74.6 < u< 77.8 C) 69.2 < u< 83.2 D) 64.2 < u<88.2
Taress Assume Use the given degree of confidence and sample data to construct a confidence interval for the population mean u.. that the population has a normal distribution. 6) 6) A sociologist develops a test to measure attitudes about public transportation, and 27 randomly selected subjects are given the test. Their mean score is 76.2 and their standard deviation is 21.4. Construct the 95% confidence interval for the mean score of all such subjects. A) 67.7 < u < 84.7 B) 74.6 < u< 77.8 C) 69.2 < u< 83.2 D) 64.2 < u<88.2
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Transcribed Image Text:Taress
Assume
Use the given degree of confidence and sample data to construct a confidence interval for the population mean u..
that the population has a normal distribution.
6)
6) A sociologist develops a test to measure attitudes about public transportation, and 27 randomly
selected subjects are given the test. Their mean score is 76.2 and their standard deviation is 21.4.
Construct the 95% confidence interval for the mean score of all such subjects.
A) 67.7 < u < 84.7
B) 74.6 < u< 77.8
C) 69.2 < u< 83.2
D) 64.2 < u<88.2
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