taxes Property Tax Assistance

2017 Confidence Interval Detail

072/Erath
072-901/Three Way ISD

Category Summary

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

Stratum
Variance
E 35,633,990 0.8695 40,982,162 20 254 .044348330
Random Totals: 35,633,990   40,982,162 20 254  
Catg D1 Exception Values: 5,900,540   4,110,095      
Total Test Values (4): 41,534,530   45,092,257      

Margin of Error

Margin of Error Percent: 8.5852678
Margin of Error Value: 3,871,291

Confidence Interval Values (5)

State Lower Limit: 41,220,966 (State Test Value minus Margin of Error Percent)
Local Test Value: 41,534,530 (Within Confidence Interval)
State Upper Limit: 48,963,548 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 45,201,229 (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