Example 2 (Predicting Tips). Three different bill amounts from the Restaurant Tips dataset are given. Use the regression line Tip = -0.292 +0.182 Bill to predict the tip in each case. (1) A bill of $59.33 (2) A bill of $9.52 (3) A bill of $23.70 16 14- 12 10- 6- 4- 2 0 0 10 Residual 20 30 40 50 Bill FIGURE 2. Residual 60 70

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