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

Question

Quizplus · Accepted Answer

This is true. The curved lines on either side of the regression line represent the upper and lower bounds of the confidence interval for the expected value of y. They indicate the range within which the true population mean is likely to fall, with a certain level of confidence.

The Graph of a Confidence Interval for the Expected Value