taxes Property Tax Assistance

2017 Confidence Interval Detail

072/Erath
182-901/Gordon ISD

Category Summary

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

Stratum
Variance
E 12,852,390 0.8151 15,767,869 13 97 .313738862
Random Totals: 12,852,390   15,767,869 13 97  
Catg J Exception Values: 1,691,350   1,941,578      
Catg D1 Exception Values: 2,018,100   1,398,817      
Total Test Values (4): 16,561,840   19,108,264      

Margin of Error

Margin of Error Percent: 25.9464125
Margin of Error Value: 4,957,909

Confidence Interval Values (5)

State Lower Limit: 14,150,355 (State Test Value minus Margin of Error Percent)
Local Test Value: 16,561,840 (Within Confidence Interval)
State Upper Limit: 24,066,173 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 17,837,027 (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, 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
(6) Includes local value of unstudied property categories and sub-categories