The Assumption That the Errors or Residuals Are Independent Is

question 127

Multiple Choice

The assumption that the errors or residuals are independent is best checked by:

• A) looking at a normal probability plot of the residuals.
• B) looking a scatter plot of each x versus y.
• C) looking at a residual plot versus x and checking for curvature.
• D) looking at a plot of the residuals versus time and checking for trends.

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