1- Applying for a specific job requires obtaining the mark of 500 in the contest exam. If 16 persons who took for that exam were selected and the mean of their scores was 546 with a standard deviation of 120, test whether the rate of those who took the test was greater than the required rate for admission, at 5 % level of significance2- A random sample of 49 people was chosen from among the state’s individuals, so if the average weekly income of individuals in the sample is 75 $ How can the null hypothesis be tested that the average weekly income of the country's citizens is equal to 72$ compared to the alternative hypothesis that it is not equal to 72$ and that is with a significant level at 0.05 if you know that the standard deviation Individuals income equals 14$

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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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1- Applying for a specific job requires obtaining the mark of 500 in the contest exam. If 16 persons who took for that exam were selected and the mean of their scores was 546 with a standard deviation of 120, test whether the rate of those who took the test was greater than the required rate for admission, at 5 % level of significance
2- A random sample of 49 people was chosen from among the state’s individuals, so if the average weekly income of individuals in the sample is 75 $ How can the null hypothesis be tested that the average weekly income of the country's citizens is equal to 72$ compared to the alternative hypothesis that it is not equal to 72$ and that is with a significant level at 0.05 if you know that the standard deviation Individuals income equals 14$

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