Analyzing Departures from Linearity

AP Statistics· difficulty 4/5

A residual plot showing a curved (U-shaped) pattern indicates

A
$Linear model is inadequate; try transformation or nonlinear model$
check_circle
B
$Heteroscedasticity$
C
$No outliers$
D
$Linear model is good$

Explanation

Curvature in residuals = systematic mismatch with linear assumption.

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