# Find a 90% prediction interval for the individual value

QUESTION A:

Assume that there is a correlation between two variables, X and Y. Based on the information provided below, calculate the correlation coefficient.

X 31,30,32,19,25,22,30,19,18,20

Y 32,30,25,22,20,19,18,17,16,15

QUESTION B:

Find a 90% prediction interval for the individual value of Y if X= 36

Please see attachment. Question B.

© BrainMass Inc. brainmass.com June 3, 2020, 5:10 pm ad1c9bdddfhttps://brainmass.com/statistics/confidence-interval/prediction-interval-individual-value-16211

#### Solution Summary

Using regression analysis calculates the 90% prediction interval.

$2.19