What is the value of $y ^ { \prime }$ when x = 3, if the equation of the regression line is $$y ^ { \prime } = 23.1 - 3.8 x ?$$
A) 4.73
B) 5.29
C) 34.5
D) 11.7

Name: What is the value of $y ^ { \prime }$ when x = 3, if the equation of the regression line is \[y ^ { \prime } = 23.1 - 3.8 x ?\] A) 4.73 B) 5.29 C) 34.5 D) 11.7
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Question

Quizplus · Accepted Answer

Substitute x = 3 into the equation of the regression line:
$$y ^ { \prime } = 23.1 - 3.8(3) = 11.7$$
Therefore, the value of $y ^ { \prime }$ when x = 3 is 11.7. The answer is (D).

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What Is the Value Of $y ^ { \prime }$ When X = 3, If the Equation of the Regression