A simple linear regression equation is given by $\hat { y } = 5.25 + 3.8 x$ .The point estimate of y when x = 4 is 20.45.

Name: A simple linear regression equation is given by $\hat { y } = 5.25 + 3.8 x$ .The point estimate of y when x = 4 is 20.45.
Brand: Quizplus
Rating: 4.7 (29 reviews)

Question

Quizplus · Accepted Answer

Substituting x = 4 in the regression equation, we get:
$\hat { y } = 5.25 + 3.8 (\text{4})$ 
$\hat { y } = 5.25 + 15.2$ 
$\hat { y } = 20.45$ 
Therefore, the point estimate of y when x = 4 is indeed 20.45.

A Simple Linear Regression Equation Is Given By y^=5.25+3.8x\hat { y } = 5.25 + 3.8 xy^​=5.25+3.8x

A Simple Linear Regression Equation Is Given By $\hat { y } = 5.25 + 3.8 x$