taxes Property Tax Assistance

2019 Confidence Interval Detail

Collingsworth County
044-902/Wellington ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 8,952,460 0.8392 10,667,850 15 387 0.045591775
A 10,610,160 0.8218 12,910,879 16 207 0.034524980
A 10,441,250 0.7920 13,183,396 16 123 0.043292796
A 13,437,390 1.0147 13,242,722 14 90 0.016150550
E 19,520,900 1.0173 19,188,931 20 340 0.078540366
F1 2,475,250 0.8043 3,077,521 15 85 0.386912942
F1 2,526,190 0.9439 2,676,332 12 21 0.006923850
F1 2,218,250 1.0031 2,211,395 8 10 0.011749070
F1 3,025,450 0.9940 3,043,712 3 5 0.004600561
Random Totals: 73,207,300 80,202,738 119 1,268
CATG D1 EXCEPTION VALUES: 35,098,874 48,658,831
CATG L1 EXCEPTION VALUES: 3,090,690 2,982,753
Total Test Values(2) 111,396,864 131,844,322

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,592,216

Confidence Interval Values(5)

Local Test Value: 111,396,864 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 125,252,106 (State Test Value minus Margin of Error Percent)
State Upper Limit: 138,436,538 (State Test Value plus Margin of Error Percent)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values