Question

Bio500 4.18.19 Quiz: Module 6 Quiz This Question: 1 pt 13 of 16 (11 complete) 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 diastoli 138 130一ー 140 100 125 127 122 131 84 85 Regression equation: 24.556313 +0 493387x (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 i2, the coefficient of determination 2-Round to four decimal places as needed) (e) Find the standard error of estimate se s.-ΓΙ (Round to four decimal places as needed ) Enter your answer in each of the answer boxes.

Answer 1

a) Explained Variation = 75.9199

b) Unexplained variation = 323.9551

c) Total Variation = 399.8750

d) R² = 0.1899

d) Standard Error = 7.3480

SUMMARY OUTPUT Systolic Diastolic 80 138 Regression Statistics 95 130 0.43572819 0.1899 Multiple R R Square Adjusted R Square Standard Error 140 97 100 138 0.054835565 7.3480 82 125 127 92 Observations 122 84 131 85 ANOVA nificance F MS df 1 75.9199 75.91989 1.406119 0.280528 6 323.9551 53.99252 7 399.8750 Regression Residual Total Lower 95%Upper 95%ower 95.0 pper 95.0% P-value t Stat andard Ern coefficients 24.55631263 54.72417 0.448729 0.669378 -109.349 158.4615 -109.349 158.4615 Intercept 0.493386774 0.41608 1.185799 0.280528 -0.52472 1511497 -0.52472 1.511497 2