taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
122/Jeff Davis
122-902/Valentine ISD

Category Summary

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

Stratum
Variance
A 1,315,870 0.8957 1,469,097 11 53 .027234365
A 1,387,500 1.0279 1,349,839 6 18 .004002456
A 1,472,920 1.0202 1,443,756 7 11 .001107043
A 1,358,730 1.0501 1,293,905 4 5 .007233396
C1 48,830 1.0568 46,206 12 28 .027685337
C1 40,760 0.9586 42,520 11 12 .005070644
C1 42,670 0.9614 44,383 10 7 .009665529
E 9,293,610 0.9844 9,440,888 20 266 .004397316
Random Totals: 14,960,890   15,130,594 81 400  
Catg J Exception Values: 13,721,300   14,050,535      
Catg D1 Exception Values: 7,274,100   5,909,864      
Catg C1 Exception Values: 8,160   8,252      
Total Test Values (4): 35,964,450   35,099,245      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,754,962

Confidence Interval Values (5)

State Lower Limit: 33,344,283 (State Test Value minus Margin of Error Percent)
Local Test Value: 35,964,450 (Within Confidence Interval)
State Upper Limit: 36,854,207 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 40,545,183 (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