Problem 105 of 7
Identify the outlier from residuals X1=0.1, X2=0.05, X3=-7.5, X4=0.2.
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find unusually large residual.
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Residual list must include one unusually large residual or clearly no outlier.
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Solution
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1. Compare absolute values of the residuals.
2. Find any residual much farther from zero than the rest.
3. Name the corresponding point or state none apparent.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using largest observed value if residual is not unusual.