The manager of the concession stand at a baseball stadium is trying to predict the number of hot dogs that must be bought for an upcoming game. The number x (in thousands) of advance tickets sold and the number y (in thousands) of hot dogs sold the day of the game for the last five games are shown in the following table. x 19 29 20 32 23 y 15 22 16 28 18 (a) Find the equation for the regression line. (Round your answers to three decimal places.) y = x − (b) If advance ticket sales are 30,000 tickets, how many hot dogs should the concessionaire buy? (Round your answer to the nearest whole number.) hot dogs

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