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Home Q & A Board Science-Related Homework Help Psychology
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tethead tethead
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6 years ago
Advanced topic: The sum of squared errors when predicting from the mean is 7. The sum of squared errors when predicting from the prediction model is 5. What is the proportionate reduction in error?
A) (5 + 7) / 5 = 2.4.
B) (5 - 7) / 5 = -.4.
C) (7 - 5) / 7 = .28.
D) 7/5 + 5 = 6.4.
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aeLiaLaeLiaL
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#1
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6 years ago
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tethead Author
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#2
6 years ago
That's exactly what I needed
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