A large university wants to see if the national claim that students owe $50,000 after 4 years of college is accurate. A statistics class at the university takes a random sample of 20 graduated students and finds that the average amount of debt after college is $60,000 with a sample standard deviation of $5,500. What are the degrees of freedom for the test? df=

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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A large university wants to see if the national claim that students owe $50,000 after 4 years of college is accurate. A statistics class at the university takes a random sample of 20 graduated students and finds that the average amount of debt after college is $60,000 with a sample standard deviation of $5,500.
What are the degrees of freedom for the test? df=
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