A 10-year study conducted by the American Heart Association provided data on how age, blood pressure, and smoking related to the risk of strokes. The data file “Stroke.xslx” includes a portion of the data from the study. The variable “Risk of Stroke” is measured as the percentage of risk (proportion times 100) that a person will have a stroke over the next 10-year period.   Regression Analysis As Image:  1) Based on the simple regression analysis output, write the estimated regression equation.   2) What is the correlation coefficient between Risk of Stroke and Age? How do you find i

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
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A 10-year study conducted by the American Heart Association provided data on how age, blood pressure, and smoking related to the risk of strokes. The data file “Stroke.xslx” includes a portion of the data from the study. The variable “Risk of Stroke” is measured as the percentage of risk (proportion times 100) that a person will have a stroke over the next 10-year period.  

Regression Analysis As Image: 

1) Based on the simple regression analysis output, write the estimated regression equation.  

2) What is the correlation coefficient between Risk of Stroke and Age? How do you find i

 

 

SUMMARY OUTPUT
■ Regression Statistics
Multiple R
-R Square
Adjusted R S 0.39074551
Standard Err 11.5925455
Observations
-ANOVA
Regression
Residual
Total
-Intercept
Age
0.6502396
0.42281154
df
20
SS
MS
F
Significance F
1 1771.98202 1771.98202 13.1856546 0.00190988
18 2418.96798 134.38711
19 4190.95
t Stat
P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0%|
Coefficients tandard Erro
-42.796465 19.3816482 -2.2080922 0.04045057 -83.515797 -2.0771336 -83.515797 -2.0771336-
1.00426876 0.2765662 3.63120566 0.00190988 0.42322473 1.58531279 0.42322473 1.58531279
Transcribed Image Text:SUMMARY OUTPUT ■ Regression Statistics Multiple R -R Square Adjusted R S 0.39074551 Standard Err 11.5925455 Observations -ANOVA Regression Residual Total -Intercept Age 0.6502396 0.42281154 df 20 SS MS F Significance F 1 1771.98202 1771.98202 13.1856546 0.00190988 18 2418.96798 134.38711 19 4190.95 t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0%| Coefficients tandard Erro -42.796465 19.3816482 -2.2080922 0.04045057 -83.515797 -2.0771336 -83.515797 -2.0771336- 1.00426876 0.2765662 3.63120566 0.00190988 0.42322473 1.58531279 0.42322473 1.58531279
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