taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
228/Trinity
228-903/Trinity ISD

Category Summary

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

Stratum
Variance
A 57,258,482 0.9787 58,504,631 14 1,489 .062944196
A 59,548,150 0.9102 65,423,149 31 735 .024093330
A 57,754,403 0.9345 61,802,464 23 441 .017791497
A 59,384,971 0.8885 66,837,334 8 234 .023111360
C1 8,311,660 0.9745 8,529,153 9 3,051 .025626324
C1 7,789,728 1.0320 7,548,186 10 1,820 .013643642
C1 7,883,889 0.9797 8,047,248 10 1,257 .047688646
C1 7,510,094 1.1123 6,751,860 6 374 .022165923
E 44,973,352 0.8096 55,550,089 11 571 .062250822
F1 8,028,068 1.0557 7,604,497 9 99 .018656398
F1 7,705,892 0.9849 7,824,035 8 36 .005723085
F1 6,581,810 0.9883 6,659,729 6 11 .029983462
F1 9,502,318 0.7215 13,170,226 3 6 .259510466
Random Totals: 342,232,817   374,252,601 148 10,124  
Catg D1 Exception Values: 6,620,882   6,270,565      
Total Test Values (4): 348,853,699   380,523,166      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 19,026,158

Confidence Interval Values (5)

Local Test Value: 348,853,699 (Outside Confidence Interval)
State Lower Limit: 361,497,008 (State Test Value minus Margin of Error Percent)
State Upper Limit: 399,549,324 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 333,892,766 (See ISD Summary Worksheet)

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, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories