Research Article

A Simplified Approach for Two-Dimensional Optimal Controlled Sampling Designs

Table 2

The set of all possible samples for 4 × 3 population.

Sample 1Sample 2Sample 3Sample 4Sample 5Sample 6

110110110110110110
110110011011101101
011101110101110011
101011101110011110

Sample 7Sample 8Sample 9Sample 10Sample 11Sample 12

011011011101101101
110110101110110011
110101110110011110
101110110011110110