taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
069/Edwards
069-901/Rocksprings ISD

Category Summary

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

Stratum
Variance
A 4,060,027 0.7709 5,266,607 11 218 .086798186
A 4,253,167 0.6772 6,280,518 11 130 .301246845
A 4,161,979 0.8542 4,872,371 10 82 .035289705
A 3,742,635 0.8583 4,360,521 10 45 .012120270
E 92,107,984 0.9522 96,731,762 22 1,714 .305284514
G1 8,932,240 0.9559 9,344,325 13 191 .081742999
G1 8,827,330 0.9555 9,238,441 12 67 .061777574
G1 9,032,380 1.0301 8,768,450 10 36 .013354436
G1 8,678,200 0.9510 9,125,342 7 14 .093101536
Random Totals: 143,795,942   153,988,337 106 2,497  
Catg J Exception Values: 18,767,630   19,739,967      
Catg D1 Exception Values: 41,188,627   42,459,500      
Total Test Values (4): 203,752,199   216,187,804      

Margin of Error

Margin of Error Percent: 10.5075146
Margin of Error Value: 22,715,965

Confidence Interval Values (5)

State Lower Limit: 193,471,839 (State Test Value minus Margin of Error Percent)
Local Test Value: 203,752,199 (Within Confidence Interval)
State Upper Limit: 238,903,769 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 250,464,403 (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