Which Is an Approach for Dealing with Missing Data

Multiple Choice

Which is an approach for dealing with missing data?

A) for metric variables, estimate the missing values by substituting the mean
B) for nonmetric variables, estimate the missing values by substituting the mean
C) for metric variables, estimate the missing values by substituting the standard deviation
D) for nonmetric variables, estimate the missing values by substituting the standard deviation
E) for metric or nonmetric variables, estimate the missing values by substituting the kurtosis