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The following regression equation was computed from a sample of 20 observations:
Y'= 15 - 5X
SSE was found to be 100 and SS total 400.
a. Determine the standard error of estimate.
b. Determine the coefficient of determination.
c. Determine the coefficient of correlation. (Caution: Watch the sign!)
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Solution Summary
The following regression equation was computed from a sample of 20 observations:
Y'= 15 - 5X
SSE was found to be 100 and SS total 400.
a. Determine the standard error of estimate.
b. Determine the coefficient of determination.
c. Determine the coefficient of correlation. (Caution: Watch the sign!)
Solution Preview
a.
<br>standard error of estimate = SQRT(SS/(n-2))
<br>=SQRT(400/(20-2))= 4.714
<br>
<br>b. ...
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