The prediction interval for a particular value of y is always wider than the confidence interval for mean value of y,given the same data set,x value,and confidence level.

Question

Quizplus · Accepted Answer

Prediction interval accounts for both the variability of the mean value and the variability of individual observations in the data set, whereas a confidence interval only accounts for the variability of the mean value. Therefore, the prediction interval will always be wider.

The Prediction Interval for a Particular Value of Y Is