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12 May, 16:03

The equation yˆ=0.09x+55.64 models a person's height, in inches, where x is the weight of the person in pounds. According to the regression equation, what is the approximate height of a person that weighs 160 pounds?

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  1. 12 May, 16:23
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    Y = 0.09*x + 55.64

    y = 0.09*160 + 55.64 << - - - replace x with 160

    y = 14.4 + 55.64

    y = 70.04

    The person who weighs 160 pounds is predicted to be about 70.04 inches tall

    Note: 70.04 inches = 5 ft, 10.04 inches (so roughly 5'10")
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