Evaluate Model Fit with Residuals
Statistics and Probability · Flashcards · Recall
STATISTICS AND PROBABILITY · FLASHCARDS
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QUESTION
Identify the issue if residuals fan in (spread decreases) as
x
x
x
increases.
QUESTION
Which residual plot pattern most supports that a linear model is appropriate?
QUESTION
What is the reference line drawn on a residual plot to judge model fit?
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ANSWER
The horizontal line
y
=
0
y=0
y
=
0
. Zero line helps identify if residuals are balanced above and below.
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