If you realized that a set of sample data had a lower standard deviation on variable X than is typical for the population,this would create the problem of _____ the apparent strength of association between X and Y for correlation/regression analyses.
A)having an unpredictable effect on
B)increasing/accentuating
C)reducing/attenuating
D)reducing about 95% of the time,and increasing about 5% of the time

Question

Quizplus · Accepted Answer

A lower standard deviation on variable X means that there is less variability in X, making it harder to detect significant associations with other variables such as Y. This reduction in variability would reduce the strength of the association between X and Y, or attenuate the relationship.

If You Realized That a Set of Sample Data Had