Share
Explore BrainMass

correlation coefficient

Suppose you find a restriction in your study of IQ scores and school achievement at a selective private school. Restricting the range is likely to do what to the correlation coefficient?
a. Increase the size
b. Underestimate the strength
c. Have no effect
d. Change the sign

Solution Preview

Hi,

This website may help:
http://www.utah.edu/stat/introstats/web-text/Correlation/#Restricted-Range

It's confusing at first because it gives you two scenarios - one when there is a ...

Solution Summary

Help with a correlation coefficient is given.

$2.19