Question: Suppose the estimated regression equation is shown as below Tips = 17.32 - 0.15Time a. If it takes 40 minutes and a delivery man received

Suppose the estimated regression equation is shown as below Tips = 17.32 - 0.15Time a. If it takes 40 minutes and a delivery man received $10, how much is the residual? (Round to two decimal places if necessary) b. One delivery took 30 minutes, and another took an hour. How much higher is the predicted tip for a delivery that took 30 minutes compared to one that took an hour

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