taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
125/Jim Wells
125-905/Premont ISD

Category Summary

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

Stratum
Variance
A 9,330,720 0.7742 12,052,080 11 340 .028849557
A 9,145,780 0.8213 11,135,736 10 195 .016770587
A 9,256,489 0.7919 11,688,962 10 140 .035621134
A 9,237,337 0.8778 10,523,282 10 84 .023581625
E 20,340,103 0.8334 24,406,171 15 507 .084641011
G1 1,046,369 0.9628 1,086,798 6 13 .098442408
G1 1,051,399 0.9870 1,065,247 3 4 .079146195
G1 1,374,664 0.9888 1,390,235 2 3 .041634146
L1 952,955 1.0412 915,247 8 30 .009382194
L1 1,688,208 1.0726 1,573,940 4 8 .004177880
Random Totals: 63,424,024   75,837,698 79 1,324  
Catg J Exception Values: 2,713,240   3,049,651      
Catg D1 Exception Values: 8,723,175   10,355,079      
Catg G1 Exception Values: 688,384   711,440      
Catg L1 Exception Values: 3,973,528   3,869,550      
Total Test Values (4): 79,522,351   93,823,418      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 4,691,171

Confidence Interval Values (5)

Local Test Value: 79,522,351 (Outside Confidence Interval)
State Lower Limit: 89,132,247 (State Test Value minus Margin of Error Percent)
State Upper Limit: 98,514,589 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 136,637,786 (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