taxes Property Tax Assistance

2020 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 10,698,340 0.8910 12,007,116 13 403 0.003543283
A 11,404,380 0.9312 12,246,972 15 191 0.004761799
A 13,397,420 0.9637 13,902,065 19 141 0.006234480
A 13,690,420 0.9711 14,097,848 15 87 0.004556679
E 21,016,320 0.9433 22,279,572 20 341 0.019661621
F1 2,708,340 0.9827 2,756,019 9 77 0.018433241
F1 2,359,740 1.0055 2,346,832 7 19 0.005030470
F1 3,060,650 1.0050 3,045,423 6 12 0.009673848
F1 2,318,230 1.0740 2,158,422 3 4 0.016075083
Random Totals: 80,653,840 84,840,269 107 1,275
CATG D1 EXCEPTION VALUES: 38,366,028 38,625,487
CATG J EXCEPTION VALUES: 5,657,960 6,293,819
Total Test Values 124,677,828 129,759,575

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,487,979

Confidence Interval Values(5)

Local Test Value: 124,677,828 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 123,271,596 (State Test Value minus Margin of Error Percent)
State Upper Limit: 136,247,554 (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