taxes Property Tax Assistance

2019 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 18,080,805 0.8976 20,143,499 13 343 0.146439675
A 22,690,350 0.9349 24,270,350 10 248 0.013760551
A 29,015,800 0.9961 29,129,405 16 212 0.058458681
A 29,061,625 1.0630 27,339,252 8 130 0.019374944
E 209,104,135 0.9216 226,892,508 50 2464 0.054274149
F1 9,879,740 0.7023 14,067,692 10 127 0.071477067
F1 9,910,094 0.7225 13,716,393 9 48 0.069023132
F1 9,400,770 0.8690 10,817,917 6 16 0.027754678
F1 9,572,250 0.8439 11,342,872 3 4 0.008743652
Random Totals: 346,715,569 377,719,888 125 3,592
CATG D1 EXCEPTION VALUES: 10,298,748 10,859,063
CATG J EXCEPTION VALUES: 862,660 1,295,257
Total Test Values(2) 357,876,977 389,874,208

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 19,493,710

Confidence Interval Values(5)

Local Test Value: 357,876,977 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 370,380,498 (State Test Value minus Margin of Error Percent)
State Upper Limit: 409,367,918 (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