taxes Property Tax Assistance

2020 Confidence Interval Detail

Wood County
250-907/Winnsboro ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 24,513,921 1.0394 23,584,684 15 400 0.036992182
A 28,153,470 1.0482 26,858,872 21 265 0.023891980
A 27,860,200 0.9959 27,974,897 18 181 0.009531964
A 29,121,705 0.9671 30,112,403 15 123 0.003757437
E 226,530,807 1.0325 219,400,297 35 2,471 0.013457849
F1 9,025,900 0.6858 13,161,126 10 115 0.150803608
F1 12,483,860 0.9027 13,829,467 9 62 0.064975538
F1 9,796,340 0.6551 14,953,961 7 17 0.347141826
F1 4,902,770 1.1452 4,281,147 3 4 0.103348338
Random Totals: 372,388,973 374,156,854 133 3,638
CATG D1 EXCEPTION VALUES: 10,532,526 11,191,418
CATG J EXCEPTION VALUES: 8,239,990 9,147,342
Total Test Values 391,161,489 394,495,614

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 19,724,781

Confidence Interval Values(5)

Local Test Value: 391,161,489 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 374,770,833 (State Test Value minus Margin of Error Percent)
State Upper Limit: 414,220,395 (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