A newspaper article claims that state university students take an average of 4.5 years to graduate. You believe the meantime is longer. A sample of 49 students has a sample mean of 5.1 years and a sample standard deviation of 1.2 years. Test at the 1% level whether the mean is greater than 4.5 years. Null Hypothesis: ?0 (mention ?0) Alternative Hypothesis: ?? (mention ?0) Significance level (?) p-value Decision (Reject ?0 or Do Not Reject ?0) Conclusion: Does it support or not?
A newspaper article claims that state university students take an average of 4.5 years to graduate. You believe the meantime is longer. A sample of 49 students has a sample mean of 5.1 years and a sample standard deviation of 1.2 years. Test at the 1% level whether the mean is greater than 4.5 years. Null Hypothesis: ?0 (mention ?0) Alternative Hypothesis: ?? (mention ?0) Significance level (?) p-value Decision (Reject ?0 or Do Not Reject ?0) Conclusion: Does it support or not?
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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Problem 1
A newspaper article claims that state university students take an average of 4.5 years to graduate. You believe the meantime is longer. A sample of 49 students has a sample mean of 5.1 years and a sample standard deviation of 1.2 years. Test at the 1% level whether the mean is greater than 4.5 years.
- Null Hypothesis: ?0 (mention ?0)
- Alternative Hypothesis: ?? (mention ?0)
- Significance level (?)
- p-value
- Decision (Reject ?0 or Do Not Reject ?0)
- Conclusion: Does it support or not?
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