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A 10 -year study conducted by the American Heart Association provided data on howage, blood pressure, and smoking relate to the risk of strokes. Assume that the follow-ing data are from a portion of this study. Risk is interpreted as the probability (times100) that the patient will have a stroke over the next 10 -year period. For the smokingvariable, define a dummy variable with 1 indicating a smoker and 0 indicating anonsmoker.$\begin{array}{l}{\text { a. Develop an estimated regression equation that relates risk of a stroke to the person's }} \\ {\text { age, blood pressure, and whether the person is a smoker. }}\end{array}$$\begin{array}{l}{\text { b. Is smoking a significant factor in the risk of a stroke? Explain. Use } \alpha=.05 \text { . }} \\ {\text { c. What is the probability of a stroke over the next } 10 \text { years for Art Speen, a } 68 \text { -year-old }} \\ {\text { smoker who has blood pressure of } 175 ? \text { What action might the physician recommend }} \\ {\text { for this patient? }}\end{array}$

a) $\hat{y}=-91.8+8.74 x_{1}+1.08 x_{2}+0.252 x_{3}$b) 2.91c) 34.48

Intro Stats / AP Statistics

Chapter 13

Multiple Regression

Descriptive Statistics

Linear Regression and Correlation

Desi U.

January 31, 2021

A 10 -year study conducted by the American Heart Association provided data on how age, blood pressure, and smoking relate to the risk of strokes. Assume that the follow- ing data are from a portion of this study. Risk is interpreted as the probability (ti

Temple University

University of North Carolina at Chapel Hill

Cairn University

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we have the total number. Oh, persons is equal to one. 30. Now we need to find the operability off. A person have elevated blood pressure so the number of persons having elevated blood pressure is equal to is 27. So the probe lt off a person having elevated blood pressure is equal to a number of persons having elevated blood pressure which is equal to 27 upon total number of person. Rhetorical too 1 30 So this is about

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