taxes Property Tax Assistance

2019 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 26,799,188 0.9811 27,315,450 20 773 0.216191174
A 28,082,279 0.9227 30,434,896 19 410 0.051886531
A 30,585,794 0.8434 36,264,873 19 283 0.097913288
A 31,947,754 0.9863 32,391,518 18 127 0.006275219
C1 4,043,283 1.3156 3,073,338 19 1320 0.080282468
C1 4,350,641 1.0171 4,277,496 17 800 0.216852569
C1 4,507,576 1.0689 4,217,023 17 459 0.104724670
C1 4,618,219 1.3919 3,317,924 15 119 0.817736868
E 92,945,223 0.9599 96,828,027 25 1114 0.018222511
Random Totals: 227,879,957 238,120,545 169 5,405
CATG D1 EXCEPTION VALUES: 39,796,722 36,944,032
CATG J EXCEPTION VALUES: 21,367,380 26,297,418
Total Test Values(2) 289,044,059 301,361,995

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,068,100

Confidence Interval Values(5)

Local Test Value: 289,044,059 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 286,293,895 (State Test Value minus Margin of Error Percent)
State Upper Limit: 316,430,095 (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