When comparing the 95% confidence and prediction intervals for a given regression analysis,
A) the confidence interval is wider than a prediction interval.
B) the confidence interval is narrower than a prediction interval.
C) there is no difference between confidence and prediction intervals.
D) the sample size determines the difference.

Question

Quizplus · Accepted Answer

The confidence interval estimates the range within which the average of future samples is expected to fall, while the prediction interval estimates the range within which individual future points are expected to fall. Prediction intervals account for more uncertainty than confidence intervals, making them wider.

When Comparing the 95% Confidence and Prediction Intervals for a Given