A recent 10-year study conducted by a research team at the Great Falls Medical School was conducted to assess how age, s

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A Recent 10 Year Study Conducted By A Research Team At The Great Falls Medical School Was Conducted To Assess How Age S 1 (40.04 KiB) Viewed 214 times

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A recent 10-year study conducted by a research team at the Great Falls Medical School was conducted to assess how age, systolic 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 indicating a nonsmoker. Risk Age Smoker Systolic Blood Pressure 145 10 56 No 25 55 160 No No 10 60 156 88 175 Yes 58 27 60 195 Yes 49 75 185 Yes 15 55 156 32 77 120 Yes Not No No 35 Во 135 15 78 98 22 71 152 No 36 70 Yes 15 67 173 135 209 No 48 77 No 14 60 199 No 82 119 Yes 8 65 166 Να 34 82 125 No 3 61 117 No Yes 39 60 208

() Develop an estimated multiple regression equation that relates risk of a stroke to the person's age, systolic blood pressure, and whether the person is a smoker Let xi represent the person's age. Let X2 represent the person's systolic blood pressure. Lets represent whether the person is a smoker. It required, round your answers to three decimal places. For subtractive or negative numbers use a minus in even if there is a sign before the blank (bample: -300) -62.035 X 0.23 2+ -8.635 X (b) is smoking a wignificant factor in the risk of a stroke? Explain. Use a 0.05 level of significance. We can reject the hypothesis that so, implying there is factor in the risk of a stroke sufficient evidence to condude that smoking is a significant (c) What is the probability of a stroke over the next 10 years for Art Speer, 68 year old smoker who has a systolic blood pressure of 1657 It required, round your answer to two dedmal places. Do not round intermediate calculations What action might the physician recommend for this patient? The input in the box below will not be graded, but may be reviewed and considered by your instructor blank (d) An insurance company will only sell its Select policy to people for whom the probably of a stroke in the next ten years is less than 01. Ir a smoker with a systolic blood pressure of Inince 230 applies for a Select policy, under what condition will the company set him the policy if it dheres to this standard (1) with this blood pressure measure, this person cannot qually for a Select policy. (1) The person must be 26 years old or younger (HI) The pension must be at least 26 years old (iv) No smoker can quity for a Select policy Option() (c) What other factors could be included in the model as independent variables? Choose the correct answer below.