In a simple linear regression analysis, the following sum of squares are produce

tubalcain

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9 years ago

In a simple linear regression analysis, the following sum of squares are produce

In a simple linear regression analysis, the following sum of squares are produced:

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bio_man

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Educator

9 years ago

What are my options?

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tubalcain Author

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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%

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bio_man

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Educator

9 years ago

Proportion of variation in y explained by variation in x = 400 / 500 = 80%

The answer is 80%

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tubalcain Author

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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%

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duddy

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Staff Member

9 years ago

Hey tubalcain, please start a new topic for a new question.

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savio

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9 years ago

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duddy, sgt.torres787

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