Question: Suppose we fit a regression line to predict the shelf life of an apple based on its weight. For a particular apple, we predict the

Suppose we fit a regression line to predict the shelf life of an apple based on its weight. For a particular apple, we predict the shelf life to be 4.6 days. The apple's residual is -0.6 days. Did we over or underestimate the shelf-life of the apple? Explain your reasoning.

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