taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
074/Fannin
074-912/Trenton ISD

Category Summary

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

Stratum
Variance
A 16,811,519 0.9594 17,522,951 10 307 .035055091
A 15,188,402 1.0720 14,168,285 9 134 .016220688
A 17,449,610 1.0135 17,217,178 10 114 .011879550
A 18,867,376 0.9502 19,856,216 11 90 .003704697
E 44,864,709 0.9655 46,467,850 19 558 .029770159
Random Totals: 113,181,616   115,232,480 59 1,203  
Catg D1 Exception Values: 2,229,630   2,774,055      
Total Test Values (4): 115,411,246   118,006,535      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 5,900,327

Confidence Interval Values (5)

State Lower Limit: 112,106,208 (State Test Value minus Margin of Error Percent)
Local Test Value: 115,411,246 (Within Confidence Interval)
State Upper Limit: 123,906,862 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 135,601,374 (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