Gay/lesbian Bisexual Heterosexual/Straight MG/L = 16 MBi = 17 MH/S = 22   Source SS df MS F Orientation 300       Error 2961       Total           What is the value of df orientation?

MATLAB: An Introduction with Applications
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A college administrator wants to know if there is a significant difference between sexual orientation and level of family support for students at their college. The administrator takes a random sample of students who identify as gay/lesbian, bisexual or heterosexual/straight. There were 22 students sampled in each category. A measure of family support is given with higher scores indicating more family support. The means are as follows:

Gay/lesbian

Bisexual

Heterosexual/Straight

MG/L = 16

MBi = 17

MH/S = 22

 

Source

SS

df

MS

F

Orientation

300

     

Error

2961

     

Total

       

 

What is the value of df orientation?

Expert Solution
Step 1: We have given that

SSorientation=300,SSerror=2961

There are three treatments and each treatment has 22 students.

k=3,n=22,N=nk=22×3=66

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