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 prediction interval has a higher level of confidence

Question

Quizplus · Accepted Answer

The confidence interval estimates the mean of future observations whereas the prediction interval estimates an individual observation. Therefore, the prediction interval must account for additional sources of variation beyond what is included in the confidence interval. As a result, prediction intervals are wider than confidence intervals.

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