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roymiana roymiana
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6 years ago
The overall upward or downward pattern of the data in an annual time series will be contained in the ________ component.
 
  A) trend B) cyclical C) irregular D) seasonal

Q. 2

The effect of an unpredictable, rare event will be contained in the ________ component.
 
  A) trend B) cyclical C) irregular D) seasonal

Q. 3

The Cp statistic is used
 
  A) to determine if there is an irregular component in a time series.
  B) to choose the best model.
  C) to determine if there is a problem of collinearity.
  D) if the variances of the error terms are all the same in a regression model.

Q. 4

The Variance Inflationary Factor (VIF) measures the
 
  A) standard deviation of the slope.
  B) correlation of the X variables with each other.
  C) contribution of each X variable with the Y variable after all other X variables are included in the model.
  D) correlation of the X variables with the Y variable.
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birdy123birdy123
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6 years ago
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roymiana Author
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#2
6 years ago
Such an awesome helper!
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