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Home Q & A Board Science-Related Homework Help Mathematics
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tubalcain tubalcain
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9 years ago
In a simple linear regression analysis, the following sum of squares are produced:
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#1
Educator
9 years ago
What are my options?
tubalcain Author
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#2
9 years ago
In a simple linear regression analysis, the following sum of squares are produced:

f$sum{(y-ar{y})^{2}}f$ = 500

f$sum{(y-y')^{2}}f$ = 100

f$sum{(y'-ar{y})^{2}}f$ = 400

The proportion of the variation in Y that is explained by the variation in X is:
A.20%    
B.25%    
C.80%    
D.50%    
wrote...
#3
Educator
9 years ago
Proportion of variation in y explained by variation in x = 400 / 500 = 80%

The answer is 80%
tubalcain Author
wrote...
#4
9 years ago
In a simple linear regression analysis, the following sum of squares are produced:

f$sum{(y-ar{y})^{2}}f$ = 400

f$sum{(y-y')^{2}}f$ = 80

f$sum{(y'-ar{y})^{2}}f$ = 320

The proportion of the variation in Y that is explained by the variation in X is:
A.80%    
B.50%    
C.25%    
D.20%    
wrote...
#5
Staff Member
9 years ago
Hey tubalcain, please start a new topic for a new question.
- Master of Science in Biology
- Bachelor of Science
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#6
9 years ago
Here Smiling Face with Glasses
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