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)none of these.

Question

Quizplus · Accepted Answer

The confidence interval estimates the mean response for a given value of the predictor, while the prediction interval estimates the range for an individual response. Prediction intervals are wider because they account for both the error in estimating the mean and the variability of individual observations.

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