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youngboymark123
30.11.2021 •
Mathematics
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 0 indicating a nonsmoker.
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 x1 represent the person's age.
Let x2 represent the person's systolic blood pressure.
Let x3 represent whether the person is a smoker.
Risk Age Systolic Blood Pressure Smoker
12 57 152 No
24 67 163 Yes
13 58 155 No
56 76 165 Yes
28 59 196 No
51 76 189 Yes
18 56 165 No
31 78 120 No
37 82 135 Yes
15 78 98 No
18 71 152 No
36 70 173 Yes
15 67 145 No
48 77 209 Yes
15 60 199 No
36 82 119 Yes
11 66 166 No
34 80 143 Yes
3 62 117 No
37 59 207 Yes
Estimate predicted risk for 65 years old smoker with blood pressure 131.
Risk Age Systolic Blood Pressure Smoker
18 65 131 1
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Ответ:
A dependent variable is a factor that changes because of procedures conducted on the independent variable
Step-by-step explanation:
Using a cause and effect analogy, the independent variable is the causal variable. The independent variable or variables are the variables on which what is being measured, has no effect, and it is the variable the investigator manipulates to find the effect on the dependent variable.
The dependent variable are the variables that shows he effect of the changes made and manipulations to the independent variable. The dependent variable is therefore, the effect variable
Therefore, the correct option is ' A dependent variable is a factor that changes because of procedures conducted on the independent variable'