The prediction interval developed from a simple linear regression model will be at its narrowest point when the value of x used to predict y is equal to the mean value of x.

Question

Quizplus · Accepted Answer

The prediction interval in a simple linear regression model is narrowest at the mean value of x because the uncertainty in the prediction is lowest at this point, as it is closest to the center of the data used to create the model.

The Prediction Interval Developed from a Simple Linear Regression Model