Explore BrainMass

Confidence Intervals and Prediction Intervals

See the data in the attached file and answer the following questions.

Question 1
Construct a 95% confidence interval for an average value of y given that x = 4. Remember the format is (x.xx, x.xx)

Question 2
Construct a 95% prediction interval for y given that x = 4.


Solution Summary

The solution provides step by step method for the calculation of confidence interval and prediction interval. Formula for the calculation and Interpretations of the results are also included.