taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
217/Stonewall
217-901/Aspermont CISD

Category Summary

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

Stratum
Variance
G1 29,465,670 1.0119 29,119,152 10 49 .042587843
G1 29,275,660 1.0209 28,676,325 7 18 .035045827
G1 27,431,460 1.0135 27,066,068 4 6 .002822523
Random Totals: 86,172,790   84,861,545 21 73  
Catg J Exception Values: 757,560   719,517      
Catg D1 Exception Values: 20,801,140   36,903,371      
Catg G1 Exception Values: 153,168,949   146,587,443      
Total Test Values (4): 260,900,439   269,071,876      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 13,453,594

Confidence Interval Values (5)

State Lower Limit: 255,618,282 (State Test Value minus Margin of Error Percent)
Local Test Value: 260,900,439 (Within Confidence Interval)
State Upper Limit: 282,525,470 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 334,867,199 (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