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Given the Regression Equation $y=3+7 x$ , the Most Central Value in a Confidence Interval for Value

Question 17

Multiple Choice

Given the regression equation $y=3+7 x$ , the most central value in a confidence interval for the mean of $y$ , given $x=4$ is

A) 4 .
B) 31 .
C) 7 .
D) 3 .

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