taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 23,745,100 0.6881 34,508,211 10 401 .162851828
A 23,204,530 0.8395 27,640,893 10 209 .026267965
A 22,196,250 0.9685 22,918,172 10 131 .021189366
A 24,613,040 0.9119 26,990,942 13 84 .014533020
E 27,598,260 0.8883 31,068,625 15 224 .083155082
F1 4,012,990 0.9230 4,347,768 8 38 .045390147
F1 4,096,880 0.8432 4,858,729 6 18 .041340027
F1 3,699,560 0.9496 3,895,914 5 8 .022898017
F1 3,657,180 1.1049 3,309,965 3 5 .047810658
Random Totals: 136,823,790   159,539,219 80 1,118  
Catg J Exception Values: 7,709,837   7,589,660      
Catg D1 Exception Values: 13,362,810   11,348,535      
Total Test Values (4): 157,896,437   178,477,414      

Margin of Error

Margin of Error Percent: 5.8808797
Margin of Error Value: 10,496,042

Confidence Interval Values (5)

Local Test Value: 157,896,437 (Outside Confidence Interval)
State Lower Limit: 167,981,372 (State Test Value minus Margin of Error Percent)
State Upper Limit: 188,973,456 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 151,808,678 (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