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.)