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2007 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 3,970,405 1.0566 3,757,718 11 185 .002270281
D3 20,729,364 1.0202 20,318,922 10 1,372 .009738064
F1 13,162,840 1.0186 12,922,482 9 70 .001663434
L1 8,121,660 0.9658 8,409,257 12 48 .024262623
Random Totals: 45,984,269   45,408,379 42 1,675  
Catg J Exception Values: 6,251,160   6,782,131      
Catg D1 Exception Values: 23,158,783   34,101,228      
Total Test Values (4): 75,394,212   86,291,738      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 4,314,587

Confidence Interval Values (5)

Local Test Value: 75,394,212 (Outside Confidence Interval)
State Lower Limit: 81,977,151 (State Test Value minus Margin of Error Percent)
State Upper Limit: 90,606,325 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 92,902,280 (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

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