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Author Question: If the coefficient of correlation is -0.90, what percentage of the variation in y is explained by ... (Read 32 times)

TFauchery

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on: Aug 1, 2018
If the coefficient of correlation is -0.90, what percentage of the variation in y is explained by the regression line?

Question 2

If the total variation in y values is 200, and the variation explained by regression line is 180, then the coefficient of determination is equal to ___________________ _.
 Fill in the blank(s) with correct word


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JCABRERA33

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Reply #1 on: Aug 1, 2018
Answer to Question 1

81

Answer to Question 2

0.90


TFauchery

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Reply 2 on: Aug 1, 2018
Gracias!

smrtceo

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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