Information derived from survey data that examines the relationship between the race of a person and his employment status yields a lambda of .20.This information indicates that we are ____% better off knowing race when attempting to predict employment status.
A)50
B)40
C)80
D)20

Question

Quizplus · Accepted Answer

Lambda is a measure of association that indicates the proportional reduction in error when predicting one variable based on another. A lambda of .20 means that knowing the race of a person reduces the error in predicting employment status by 20%.

Information Derived from Survey Data That Examines the Relationship Between