taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
064/Dimmit
064-903/Carrizo Springs CISD

Category Summary

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

Stratum
Variance
A 34,811,231 0.9436 36,891,936 12 1,311 .218734222
A 35,559,629 0.9457 37,601,384 11 700 .023839681
A 36,763,582 0.8273 44,438,030 13 399 .049783970
A 26,197,431 0.9663 27,111,074 10 145 .024030243
G1 1,026,138,795 1.0066 1,019,410,684 10 249 .017656893
G1 1,027,643,946 1.0194 1,008,087,057 9 131 .016423099
G1 1,026,331,437 1.0441 982,981,934 10 77 .008423248
G1 1,012,865,491 1.0432 970,921,675 6 18 .028793713
Random Totals: 4,226,311,542   4,127,443,774 81 3,030  
Catg J Exception Values: 31,115,576   32,876,241      
Catg D1 Exception Values: 68,478,865   79,196,810      
Total Test Values (4): 4,325,905,983   4,239,516,825      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 211,975,841

Confidence Interval Values (5)

State Lower Limit: 4,027,540,984 (State Test Value minus Margin of Error Percent)
Local Test Value: 4,325,905,983 (Within Confidence Interval)
State Upper Limit: 4,451,492,666 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 5,116,656,212 (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