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Wilt66 Wilt66
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6 years ago
The best way to interpret polynomial regressions is to
 
  A) take a derivative of Y with respect to the relevant X.
  B) plot the estimated regression function and to calculate the estimated effect on Y associated with a change in X for one or more values of X.
  C) look at the t-statistics for the relevant coefficients.
  D) analyze the standard error of estimated effect.
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wrote...
6 years ago
Answer: B
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