The following regression model has been computed based on a sample of twenty observations: = 34.2 + 19.3x. Given this model, the predicted value for y when x = 40 is 806.2.

Question

Quizplus · Accepted Answer

The predicted value for $y$ when $x = 40$ is calculated by substituting $x = 40$ into the regression equation $y = 34.2 + 19.3x$, which gives $y = 34.2 + 19.3(40) = 34.2 + 772 = 806.2$.

The Following Regression Model Has Been Computed Based on a Sample