# Confidence Interval

It has been determined that the correlation between a very good predictor variable and college GPA is .69. Also, the standard error of the estimate is .54 based on the four point grading scale. If a student should expect a 2.75 GPA, what are the 95% expectations for the student?

Â© BrainMass Inc. brainmass.com March 4, 2021, 5:55 pm ad1c9bdddfhttps://brainmass.com/statistics/confidence-interval/confidence-interval-expected-values-18652

#### Solution Preview

standard error of estimate =Se = 0.54

Assuming sample size is large we will use normal ...

#### Solution Summary

95% confidence interval for GPA is calculated given the expected value and the standard error of the estimate.

$2.49