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The average starting salary of students who graduated from colleges of Business in 2009 was $48,400. A sample of 100 graduates of 2010 showed an average starting salary of $50,000. Assume the standard deviation of the population is known to be $8000. We want to determine whether or not there has been a significant increase in the starting salaries.   Question: e. The null hypothesis is to be tested at the 5% level of significance. What do you conclude?

The average starting salary of students who graduated from colleges of Business in 2009 was $48,400. A sample of 100 graduates of 2010 showed an average starting salary of $50,000. Assume the standard deviation of the population is known to be $8000. We want to determine whether or not there has been a significant increase in the starting salaries.   Question: e. The null hypothesis is to be tested at the 5% level of significance. What do you conclude?

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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The average starting salary of students who graduated from colleges of Business in 2009 was
$48,400. A sample of 100 graduates of 2010 showed an average starting salary of $50,000. Assume
the standard deviation of the population is known to be $8000. We want to determine whether or
not there has been a significant increase in the starting salaries.  

Question: e. The null hypothesis is to be tested at the 5% level of significance. What do you conclude? 

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