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CPS1071 Ibarra Aaron R. Poliquit et al.
Table 2: Sample Barangays across Different Strata and CVs per Province with Number
of Female Breeders as Stratification
Sample of Barangays
3 Strata 4 Strata 5 Strata
Province Barangays
1% 5% 8% 1% 5% 8% 1% 5% 8%
Batangas 21 8 8 6 11 7 5 12 6 5

Bohol 22 16 6 5 11 5 4 10 5 5
Bulacan 180 105 48 34 108 38 21 71 23 15
Cagayan 62 20 18 15 25 13 11 29 8 6
Isabela 52 29 19 16 31 15 9 32 10 8
Laguna 34 9 9 6 14 6 6 14 7 5

Misamis Oriental 13 10 4 3 9 4 4 8 5 5
Nueva Ecija 268 165 68 41 122 34 20 122 24 13
Total 672 362 180 126 331 122 80 298 88 62

per sampled barangay. A dairy farm sample size of 5 is enough to cover all
dairy farms per sampled barangay in Misamis Oriental where no barangays
contain 5 or more dairy farms. Dairy farm sample size equal to 25, average
CV’s and MAPE’s for the major-producing provinces have values below 10%.
Table 3: Barangays per Province in terms of Number of Dairy Farms

Province Number of Barangays with:
Barangays
5 or more 10 or more 15 or more 20 or more 25 or more
Dairy Dairy Dairy Dairy Dairy Farms
Farms Farms Farms Farms
Batangas 21 2 1 1 0 0

Bohol 22 3 1 0 0 0
Bulacan 180 58 24 11 8 4

Cagayan 62 19 10 7 5 2

Isabela 52 32 18 14 12 11
Laguna 34 4 1 0 0 0

Misamis 13 0 0 0 0 0
Oriental
Nueva Ecija 288 69 17 7 5 2

Total 672 187 72 40 30 19

Regarding the reliability of estimates based on the two size measure
variables, Figures 10 to 13 indicate that for Misamis Oriental and the major-
producing provinces, estimates are more accurate and precise when number

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