The graph of a confidence interval for the expected value of y is represented by two parallel lines,one on either side of the regression line.

Question

Quizplus · Accepted Answer

A confidence interval for the expected value of y in regression analysis is typically represented by a band or area around the regression line, not by two parallel lines. This band widens as we move away from the mean of the independent variable, reflecting increasing uncertainty.

The Graph of a Confidence Interval for the Expected Value