taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
122/Jeff Davis
122-901/Fort Davis ISD

Category Summary

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

Stratum
Variance
A 23,053,740 1.0058 22,920,799 12 389 .169543424
A 22,806,760 0.9431 24,182,759 12 205 .040438019
A 23,539,000 0.9582 24,565,853 11 138 .004039266
A 22,626,820 1.0878 20,800,533 9 76 .007795816
E 27,372,260 0.9890 27,676,704 25 234 .004627212
F1 3,713,690 0.9443 3,932,744 9 36 .008275657
F1 4,570,020 0.9798 4,664,238 7 21 .015885295
F1 3,447,150 0.9064 3,803,122 6 8 .024394017
F1 3,692,710 0.8676 4,256,236 4 5 .008486270
Random Totals: 134,822,150   136,802,988 95 1,112  
Catg J Exception Values: 7,743,063   8,312,553      
Catg D1 Exception Values: 13,494,070   11,011,918      
Total Test Values (4): 156,059,283   156,127,459      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,806,373

Confidence Interval Values (5)

State Lower Limit: 148,321,086 (State Test Value minus Margin of Error Percent)
Local Test Value: 156,059,283 (Within Confidence Interval)
State Upper Limit: 163,933,832 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 165,072,425 (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