taxes Property Tax Assistance

2016 Confidence Interval Detail

222/Terrell
222-901/Terrell County ISD

Category Summary

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

Stratum
Variance
A 5,402,317 0.7932 6,810,788 10 209 .020963399
A 5,389,138 0.8256 6,527,541 10 99 .023348709
A 5,442,975 0.8015 6,790,986 9 66 .006984932
A 5,298,840 0.7718 6,865,561 8 41 .014951218
G1 17,477,391 1.0391 16,819,739 15 253 .050510798
G1 17,344,194 1.0026 17,299,216 15 77 .043402662
G1 17,283,143 0.9932 17,401,473 15 35 .019713643
G1 17,228,820 0.9661 17,833,371 12 17 .011278945
Random Totals: 90,866,818   96,348,675 94 797  
Catg J Exception Values: 5,797,560   5,820,806      
Catg D1 Exception Values: 16,835,562   12,059,915      
Total Test Values (4): 113,499,940   114,229,396      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,711,469

Confidence Interval Values (5)

State Lower Limit: 108,517,927 (State Test Value minus Margin of Error Percent)
Local Test Value: 113,499,940 (Within Confidence Interval)
State Upper Limit: 119,940,865 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 241,345,578 (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