When Stratifying the Population,the Characteristics Should Be as

Multiple Choice

When stratifying the population,the characteristics should be as

A) close in value as possible within each strata.
B) far apart in value as possible between any two strata.
C) far apart in value as possible within each strata.
D) None of these are correct.
E) close in value as possible within each strata and far apart in value as possible between any two strata.