Eden obtains a mark of 67 on her final year exam. Assuming the reliability of the exam is 0.66 and the standard deviation is 10. What is the 95% confidence interval of her mark? What does the interval imply?If Eden completes a new exam consists of 8 folds of the original exam, what is the reliability of the new exam? What is the 95% confidence interval of her mark based on the new reliability?

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Answered: Eden obtains a mark of 67 on her final…

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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Eden obtains a mark of 67 on her final year exam. Assuming the reliability of the exam is 0.66 and the standard deviation is 10. What is the 95% confidence interval of her mark? What does the interval imply?
If Eden completes a new exam consists of 8 folds of the original exam, what is the reliability of the new exam? What is the 95% confidence interval of her mark based on the new reliability?

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