taxes Property Tax Assistance

2021 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 12,893,080 0.8386 15,374,529 10 427 0.107138782
A 12,656,520 0.9504 13,317,045 10 189 0.005300320
A 12,913,410 1.0366 12,457,467 8 125 0.004794045
A 16,307,500 0.9956 16,379,570 9 98 0.001942208
E 21,026,720 0.9604 21,893,711 16 342 0.021307221
F1 2,955,010 1.0017 2,949,995 9 68 0.002284874
F1 2,291,850 0.9956 2,301,979 7 16 0.007544806
Random Totals: 81,044,090 84,674,296 69 1,265
CATG D1 EXCEPTION VALUES: 31,383,029 34,825,543
CATG F1 EXCEPTION VALUES: 3,860,400 3,752,179
CATG J EXCEPTION VALUES: 18,259,660 19,220,694
Total Test Values 134,547,179 142,472,712

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,123,636

Confidence Interval Values(5)

Local Test Value: 134,547,179 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 135,349,076 (State Test Value minus Margin of Error Percent)
State Upper Limit: 149,596,348 (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