taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
254/Zavala
254-902/La Pryor ISD

Category Summary

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

Stratum
Variance
A 2,944,200 0.6501 4,528,842 12 217 .186687093
A 2,913,150 0.7350 3,963,469 10 117 .097766114
A 3,008,510 0.8456 3,557,841 12 79 .053955962
A 2,948,790 0.8053 3,661,729 10 42 .068820304
D3 15,403,821 0.7142 21,567,938 15 884 .424785826
F1 252,000 0.8024 314,058 6 11 .031792963
F1 417,480 0.7774 537,021 5 11 .101689824
F1 216,630 0.5401 401,092 3 4 .164744383
F1 317,310 0.8824 359,599 2 4 .005765683
Random Totals: 28,421,891   38,891,589 75 1,369  
Catg D1 Exception Values: 15,828,834   16,371,744      
Catg F1 Exception Values: 2,394,780   2,686,395      
Total Test Values (4): 46,645,505   57,949,728      

Margin of Error

Margin of Error Percent: 12.6565805
Margin of Error Value: 7,334,454

Confidence Interval Values (5)

Local Test Value: 46,645,505 (Outside Confidence Interval)
State Lower Limit: 50,615,274 (State Test Value minus Margin of Error Percent)
State Upper Limit: 65,284,182 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 53,560,301 (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