The weight (X) and systolic blood pressure (Y) of 50 randomly selected males in
ID: 2909269 • Letter: T
Question
The weight (X) and systolic blood pressure (Y) of 50 randomly selected males in the age
group 25 and 30 are obtained and you obtained the following fitted regression line:
?
y x = + 69.1 0.42
The above regression line implies that:
(A) Gaining one more pound increases systolic blood pressure by an average of 69.1mmHg
(B) Gaining one more pound increases systolic blood pressure by an average of 69.1%
(C) Gaining one more pound increases systolic blood pressure by an average of 42%
(D) Gaining one more pound increases systolic blood pressure by an average of 0.42 mmHg
(E) On average it takes 42 pounds to increase systolic blood pressure by 1%
Explanation / Answer
From give regression model we can say that , Answer is a)
Gaining one more pound increase systolic blood pressure by an average 69.1 mmHg.
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