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16 January, 21:19

The regression equation for predicting the number of speeding tickets (y) from information about a driver's age (x) is y = - 0.065 (x) + 5.57. how many tickets would you predict for a twenty-year-old?

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  1. 16 January, 23:27
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    Put 20 in the equation where x is, then do the arithmetic.

    ... y = - 0.065·20 + 5.57 = 4.27

    The equation predicts 4.27 tickets for a 20-year-old.
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