Age and change in systolic blood pressure

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Reference no: EM13965449

In order to study any possible relationship between age and change in systolic blood pressure (BP) (mm Hg) in 24 hours in response to a treatment, the following data were obtained from 11 individuals.

Age

70

51

65

70

48

70

45

48

35

48

30

Systolic BP change

-28

-10

-8

-15

-8

-10

-12

3

1

-5

5

(a) Draw a scatterplot.

(b) Find the sample correlation of age and systolic BP.

(c) Fit a least-squares regression line.

(d) Interpret (a), (b), and (c).

Reference no: EM13965449

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