Question: Prediction Th e line on the scatterplot in Figure 4.32 is the least-squares regression line for predicting brain weight from body weight. (a) Suppose that

Prediction Th e line on the scatterplot in Figure 4.32 is the least-squares regression line for predicting brain weight from body weight.

(a) Suppose that a new mammal species is discovered hidden in the rain forest with body weight 600 kilograms. Predict the brain weight for this species.

(b) Th e slope of this line is one of these numbers: 0.5, 1.3, or 3.2. Which number is the slope? Why?

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