Eight different medical students took blood pressure measurements of the same patient and the results are listed below. use the regression equation to answer parts (a)-(e).

Systolic| 140 130 137 136 123 128 120 135

Diastolic| 84 94 96 99 80 92 82 82

Regression equation: 31.260716 + 0.437478x

a. Find the explained variation

___ (Round to four decimal places as needed.)

b. Find the unexplained variation.

___ (Round to four decimal places as needed.)

c. Find the total variation.

___ (Round to four decimal places as needed.)

d. Determine the value of r^2, the coefficient of determination.

r^2 = ___ (Round to four decimal places as needed.)

e. Find the standard error of estimate Se.

Se = ___ (Round to four decimal places as needed.)