A Simplified Approach for Two-Dimensional Optimal Controlled Sampling Designs

Table 15

Basic data for the 4 × 4 population.

	𝑛𝑎𝑖𝑗				Total		𝑌𝑖𝑗				Total
	0.0	0.6	1.0	0.4	2.0		0.0	1.05	2.25	0.8	4.10
	0.8	0.4	0.4	0.4	2.0		0.6	0.70	0.65	0.4	2.35
	0.6	0.2	0.4	0.8	2.0		0.6	0.20	0.50	0.6	1.90
	0.6	0.8	0.2	0.4	2.0		0.3	0.80	0.25	0.3	1.65
Total	2.0	2.0	2.0	2.0	8.0	Total	1.5	2.75	3.65	2.1	10.00