taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
048/Concho
048-903/Paint Rock ISD

Category Summary

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

Stratum
Variance
A 5,344,730 0.5947 8,987,271 10 145 .211183346
A 5,553,590 0.5948 9,336,903 9 65 .028208930
A 5,108,170 0.8529 5,989,178 7 31 .030588726
A 5,463,810 0.9082 6,016,087 7 15 .038389340
E 11,098,370 0.6468 17,158,890 10 277 .302711046
Random Totals: 32,568,670   47,488,329 43 533  
Catg J Exception Values: 3,275,161   3,181,683      
Catg D1 Exception Values: 14,751,760   16,511,728      
Total Test Values (4): 50,595,591   67,181,740      

Margin of Error

Margin of Error Percent: 9.8086444
Margin of Error Value: 6,589,618

Confidence Interval Values (5)

Local Test Value: 50,595,591 (Outside Confidence Interval)
State Lower Limit: 60,592,122 (State Test Value minus Margin of Error Percent)
State Upper Limit: 73,771,358 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 83,872,342 (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