taxes Property Tax Assistance

2019 Confidence Interval Detail

Trinity County
228-904/Centerville ISD

Category Summary

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

Stratum
Variance
A 2,054,861 0.9613 2,137,586 10 46 0.094672738
A 2,249,552 0.9466 2,376,455 10 28 0.007946683
A 1,848,831 1.0248 1,804,090 8 16 0.010969321
A 2,187,340 1.0673 2,049,414 7 12 0.016834922
E 22,464,409 0.9700 23,159,185 26 331 0.034385327
Random Totals: 30,804,993 31,526,730 61 433
CATG D1 EXCEPTION VALUES: 8,919,305 7,988,205
Total Test Values(1) 39,724,298 39,514,935

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,975,747

Confidence Interval Values(5)

Local Test Value: 39,724,298 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 37,539,188 (State Test Value minus Margin of Error Percent)
State Upper Limit: 41,490,682 (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