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 0.7754 11,545,602 15 387 0.047097646
A 10,610,160 0.7766 13,662,323 16 207 0.037942115
A 10,441,250 0.7823 13,346,862 16 123 0.041997693
A 13,437,390 1.0000 13,437,390 15 90 0.017424652
E 19,520,900 1.0089 19,348,697 20 340 0.080330461
F1 2,475,250 0.7402 3,344,029 15 85 0.309331593
F1 2,526,190 0.8801 2,870,344 12 21 0.032261338
F1 2,218,250 0.9955 2,228,277 8 10 0.014321421
F1 3,025,450 0.9940 3,043,712 3 5 0.004600561
Random Totals: 73,207,300 82,827,236 120 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) 111,396,864 134,468,820

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,723,441

Confidence Interval Values(5)

Local Test Value: 111,396,864 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 127,745,379 (State Test Value minus Margin of Error Percent)
State Upper Limit: 141,192,261 (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