With Proportionate Stratified Sampling,the Number of Elements Selected from Each

Multiple Choice

With proportionate stratified sampling,the number of elements selected from each stratum

A) is in direct proportion to the relative number of elements in each stratum in the population.
B) is in direct proportion to the relative variability of the characteristic in each stratum in the population.
C) varies directly with the heterogeneity of each stratum.
D) varies directly with the homogeneity of each stratum.
E) None of the above.