taxes Property Tax Assistance

2021 Confidence Interval Detail

Trinity County
228-901/Groveton ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 29,479,843 0.9422 31,288,307 19 761 0.114834396
A 35,196,921 0.9798 35,922,557 19 457 0.027427306
A 39,636,232 0.9965 39,775,446 20 322 0.025605128
A 42,372,039 1.1323 37,421,213 19 158 0.095131863
C1 4,865,719 0.7046 6,905,647 15 1,738 0.446245665
C1 4,857,634 0.8355 5,814,044 17 834 0.179747368
C1 4,822,635 0.9361 5,151,837 16 399 0.190540624
C1 6,719,657 1.3757 4,884,537 16 147 0.181378453
E 120,592,483 0.8777 137,396,016 26 1,194 0.104586471
Random Totals: 288,543,163 304,559,604 167 6,010
CATG D1 EXCEPTION VALUES: 37,945,080 34,740,264
CATG J EXCEPTION VALUES: 29,802,160 34,220,414
Total Test Values 356,290,403 373,520,282

Margin of Error

Margin of Error Percent: 5.0386283
Margin of Error Value: 18,820,299

Confidence Interval Values(5)

Local Test Value: 356,290,403 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 354,699,983 (State Test Value minus Margin of Error Percent)
State Upper Limit: 392,340,581 (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