taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
072/Erath
072-908/Huckabay ISD

Category Summary

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

Stratum
Variance
A 1,718,380 0.9255 1,856,704 9 41 .012962672
A 2,054,530 0.8926 2,301,737 9 24 .038907294
A 1,375,120 1.0651 1,291,071 6 11 .029616962
A 1,776,220 0.9933 1,788,201 5 8 .000612034
E 68,313,730 0.9108 75,004,095 15 602 .025482756
Random Totals: 75,237,980   82,241,808 44 686  
Catg J Exception Values: 420,410   440,260      
Catg D1 Exception Values: 9,674,190   8,189,196      
Total Test Values (4): 85,332,580   90,871,264      

Margin of Error

Margin of Error Percent: 6.7936570
Margin of Error Value: 6,173,482

Confidence Interval Values (5)

State Lower Limit: 84,697,782 (State Test Value minus Margin of Error Percent)
Local Test Value: 85,332,580 (Within Confidence Interval)
State Upper Limit: 97,044,746 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 115,862,918 (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