taxes Property Tax Assistance

2021 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 24,091,831 1.0475 22,999,361 10 353 0.009533355
A 27,747,470 0.9863 28,132,891 11 249 0.037037857
A 33,469,206 0.9750 34,327,391 21 210 0.020160024
A 39,234,193 0.9538 41,134,612 14 157 0.017228290
E 257,749,553 0.9821 262,447,361 49 2,491 0.021521140
F1 8,943,800 0.7927 11,282,705 17 107 0.077586787
F1 10,379,191 0.6504 15,958,166 15 55 0.069663209
F1 11,234,030 0.7803 14,397,065 12 29 0.027612625
F1 11,738,880 0.7908 14,844,310 7 12 0.042919486
Random Totals: 424,588,154 445,523,862 156 3,663
CATG D1 EXCEPTION VALUES: 13,161,728 10,848,070
CATG J EXCEPTION VALUES: 1,124,140 1,387,419
Total Test Values 438,874,022 457,759,351

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 22,887,968

Confidence Interval Values(5)

Local Test Value: 438,874,022 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 434,871,383 (State Test Value minus Margin of Error Percent)
State Upper Limit: 480,647,319 (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