The business college wants to know if their graduates are getting paid better th
ID: 3431201 • Letter: T
Question
The business college wants to know if their graduates are getting paid better than the teaching college. They take a random survey of 3 business college graduates and 3 teaching college graduates and report on their incomes. At a 0.05 significance level can we conclude that there is a difference in the mean income of the two groups?
Business College Graduates
College of Nursing
Teaching College Graduates
64
75
74
70
76
69
What is the treatment degrees of freedom (MST degrees of freedom)?
What is the error degrees of freedom (MSE degrees of freedom)?
Business College Graduates
College of Nursing
Teaching College Graduates
64
75
74
70
76
69
Explanation / Answer
What is the treatment degrees of freedom (MST degrees of freedom)?
3-1=2
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What is the error degrees of freedom (MSE degrees of freedom)?
Total n=2*3=6
So the degree of freedom =6-3 (i.e. 3 treatments) =3
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