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 the dependent variable for given values of the independent variables, while the prediction interval estimates the range for individual observations. Prediction intervals are wider because they account for both the uncertainty in estimating the mean and the variability of individual observations around the mean.

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