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5. According to a guidance counselor, an average student spent less than 7 hours each day for school works. A sample of 100 students in a certain school reveals that the mean hours spent of the students is 6.5 hours with a standard deviation of 0.8. Determine whether the claim of the guidance counselor is correct against the population mean of 7 hours with 95% confidence level.

5. According to a guidance counselor, an average student spent less than 7 hours each day for school works. A sample of 100 students in a certain school reveals that the mean hours spent of the students is 6.5 hours with a standard deviation of 0.8. Determine whether the claim of the guidance counselor is correct against the population mean of 7 hours with 95% confidence level.

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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5. According to a guidance counselor, an average student spent less than 7 hours each day for school works. A sample of 100 students in a certain school reveals that the mean hours spent of the students is 6.5 hours with a standard deviation of 0.8. Determine whether the claim of the guidance counselor is correct against the population mean of 7 hours with 95% confidence level.
Transcribed Image Text:5. According to a guidance counselor, an average student spent less than 7 hours each day for school works. A sample of 100 students in a certain school reveals that the mean hours spent of the students is 6.5 hours with a standard deviation of 0.8. Determine whether the claim of the guidance counselor is correct against the population mean of 7 hours with 95% confidence level.
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