Casewise diagnostics

Figure 1. Casewise diagnostics table
Casewise diagnostics table showing standardized residual, dependent variable value, predicted value, and residual

This table identifies the cases with large negative residuals as the 3000GT and the Cutlass. This means that, based on the expected sales predicted by the regression model, these two models underperformed in the market. The Breeze and SW also appear to have underperformed to a lesser extent.

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