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17 December, 06:24

The equation yˆ=1.2676x+79.6645 models Fred's systolic blood pressure, in mm/HG, over his life span, where x is Fred's age. According to the regression equation, what is the approximate systolic blood pressure of Fred at the age of 55?

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  1. 17 December, 06:37
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    The equation that models Fred's systolic blood pressure is:

    y = 1.2676 * x + 79.6645

    x = 55 (the age of 55)

    y = 1.2676 * 55 + 79.6645 =

    = 69.718 + 79.6645 =

    = 149.3825

    Answer:

    The approximate systolic blood pressure of Fred at the age of 55 is 149.3825 mm/HG.
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