This calculator creates a prediction interval for a given value in a regression analysis.

Simply enter a list of values for a predictor variable, a response variable, an individual value to create a prediction interval for, and a confidence level, then click the “Calculate” button:

3, 5, 2, 4, 4, 1, 5, 4, 6, 2, 2, 3, 1, 2, 3

80, 94, 81, 87, 86, 67, 90, 91, 95, 77, 74, 81, 66, 75, 79

90% Prediction Interval: (74.643, 86.903)