A multiple regression equation of quality of life scale (0-100,100 is best) associated with Age (year), Income (unit US $), CD4count from 695 Africa HIV infected women is
The quality of life scale = 32.121 + 0.060 * Income + 0.017 * CD4count - 0.045 * Age.
Based on this regression equation, please answer followingquestions 15 to 29.
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Given an Africa HIV infected woman with an income $200, CD4 250 andage 40, the predicted quality of life scale is
Group of answer choices
32.121
46.571
34.571
Can not be determined
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Question 163.44 pts
Given an Africa HIV infected woman with an income $100 and CD4200, the predicted quality of life scale is
Group of answer choices
32.121
46.571
34.571
Can not be determined
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Question 173.44 pts
In this multiple regression equation, the intercept is
Group of answer choices
32.121
46.571
34.571
Can not be determined
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Question 183.44 pts
Given an Africa HIV infected woman with no income, CD4 250 andage 40, the predicted quality of life scale is
Group of answer choices
32.121
46.571
34.571
Can not be determined
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Question 193.44 pts
In this multiple regression equation, the quality of life scaleis
Group of answer choices
Independent variable
Dependent variable
Neither independent variable, nor dependent variable
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Question 203.44 pts
In this multiple regression equation, the income is
Group of answer choices
Independent variable
Dependent variable
Neither independent variable, nor dependent variable
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Question 213.44 pts
In this multiple regression equation, the CD4 count is
Group of answer choices
Independent variable
Dependent variable
Neither independent variable, nor dependent variable
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Question 223.44 pts
In this multiple regression equation, the age is
Group of answer choices
Independent variable
Dependent variable
Neither independent variable, nor dependent variable
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Question 233.44 pts
The difference of predicted quality of life scale between thewoman with an income $200, CD4 250 and age 40 and the woman with noincome, CD4 250 and age 40 is
Group of answer choices
0.450
12.000
1.7
6.000
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Question 243.44 pts
The difference of predicted quality of life scale between thewoman with an income $200, CD4 250 and age 40 and the woman with anincome $100, CD4 250 and age 40 is
Group of answer choices
0.450
12.000
1.7
6.000
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Question 253.44 pts
The difference of predicted quality of life scale between twowomen with same income and same CD4 count, but one age 30 and theother 40, is
Group of answer choices
0.450
12.000
1.7
6.000
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Question 263.44 pts
The difference of predicted quality of life scale between twowomen with same income and same age, but one CD4 count 200 and theother 100, is
Group of answer choices
0.450
12.000
1.7
6.000
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Question 273.44 pts
As income increases one dollar, the predicted quality of lifescale increases
Group of answer choices
32.121
0.060
0.017
-0.045
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Question 283.44 pts
As CD4 count increases one count, the predicted quality of lifescale increases
Group of answer choices
32.121
0.060
0.017
-0.045
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Question 293.44 pts
As age increases one year, the predicted quality of life scaleincreases
Group of answer choices
32.121
0.060
0.017
-0.045
