Question

A recent 10-year study conducted by a research team at the Medical School was conducted to assess how age, blood pressure, and smoking relate to the risk of strokes. Assume that the following data are from a portion of this study. Risk is interpreted as the probability (times 100) that the patient will have a stroke over the next 10-year period. For the smoking variable, define a dummy variable with 1 indicating a smoker and 0 indicating a nonsmoker. Blood Pressure 152 163 155 Risk 24 13 56 28 51 18 31 37 15 Age 57 67 58 86 59 76 56 78 80 78 Smoker No No No Yes No 196 189 155 120 135 98 152 173 135 209 199 119 166 125 No 36 15 48 15 36 No No Yes Yes Yes No 70 67 60 82 80 62 59 No Yes No 34 37 207 (a) Develop an estimated multiple regression equation that relates risk of a stroke to the person's age, blood pressure, and whether the person is a smoker. Let x1 represent the person's age Let x2 represent the person's blood pressure Let x3 represent whether the person is a smoker If required, round your answers to three decimal places. For subtractive or negative numbers use a minus sign even if there is a sign before the blank. (Example: -300) X3

Answer 1

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