When should analysts be very cautious about using lambda as a measure of proportional reduction in error?
A) when both variables are measured at the nominal level
B) when the sample size is very large
C) when the bivariate table is larger than 2 × 2
D) when the row marginals are very unequal

Question

Quizplus · Accepted Answer

Lambda can be misleading when the row marginals are very unequal because it may suggest a strong association even when the relationship is weak.

When Should Analysts Be Very Cautious About Using Lambda as a Measure