Question

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?

Answer 1

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Answer 2

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.