taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
056/Dallam
056-902/Texline ISD

Category Summary

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

Stratum
Variance
A 1,441,990 0.9873 1,460,539 11 57 .020864717
A 1,387,270 0.8636 1,606,380 9 31 .062655831
A 1,743,260 1.0155 1,716,652 8 26 .012927130
A 1,331,150 1.0166 1,309,414 6 12 .002790665
D2 6,058,670 1.0583 5,724,908 17 169 .011350783
E 14,516,320 1.0562 13,743,912 14 175 .027585069
Random Totals: 26,478,660   25,561,805 65 470  
Catg J Exception Values: 115,850   117,550      
Catg D1 Exception Values: 42,299,743   40,891,009      
Total Test Values (4): 68,894,253   66,570,364      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,328,518

Confidence Interval Values (5)

State Lower Limit: 63,241,846 (State Test Value minus Margin of Error Percent)
Local Test Value: 68,894,253 (Within Confidence Interval)
State Upper Limit: 69,898,882 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 141,367,418 (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