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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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A random sample of 16 undergraduate students receiving student loans was obtained, and the amounts of their loans for the school year were recorded. Use a normal probability plot to assess whether the sample data could have come from a population that is normally distributed. 9,100 400 9,200 100 9,500 9,900 8,400 5,000 200 9,800 5,500 4,800 300 9,000 6,000 9,700 Click here to view the table of critical values. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribtuion table. Using the correlation coefficient of the normal probability plot, is it reasonable to conclude that the population is normally distributed? Select the correct choice below and fill in the answer boxes within your choice. (Round to three decimal places as needed.) O A. No. The correlation between the expected z-scores and the observed data, does not exceed the critical value, Therefore, it is not reasonable to conclude that the data come from a normal population. B. Yes. The correlation between the expected z-scores and the observed data, exceeds the critical value, Therefore, it is not reasonable to conclude that the data come from a normal population. O C. Yes. The correlation between the expected z-scores and the observed data, exceeds the critical value, Therefore, it is reasonable to conclude that the data come from a normal population. D. No. The correlation between the expected z-scores and the observed data, does not exceed the critical value, Therefore, it is reasonable to conclude that the data come from a normal population.
Transcribed Image Text:A random sample of 16 undergraduate students receiving student loans was obtained, and the amounts of their loans for the school year were recorded. Use a normal probability plot to assess whether the sample data could have come from a population that is normally distributed. 9,100 400 9,200 100 9,500 9,900 8,400 5,000 200 9,800 5,500 4,800 300 9,000 6,000 9,700 Click here to view the table of critical values. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribtuion table. Using the correlation coefficient of the normal probability plot, is it reasonable to conclude that the population is normally distributed? Select the correct choice below and fill in the answer boxes within your choice. (Round to three decimal places as needed.) O A. No. The correlation between the expected z-scores and the observed data, does not exceed the critical value, Therefore, it is not reasonable to conclude that the data come from a normal population. B. Yes. The correlation between the expected z-scores and the observed data, exceeds the critical value, Therefore, it is not reasonable to conclude that the data come from a normal population. O C. Yes. The correlation between the expected z-scores and the observed data, exceeds the critical value, Therefore, it is reasonable to conclude that the data come from a normal population. D. No. The correlation between the expected z-scores and the observed data, does not exceed the critical value, Therefore, it is reasonable to conclude that the data come from a normal population.
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