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2008 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
D3 9,690,071 0.9663 10,028,015 24 1,350 .044296138
L1 3,269,660 1.1964 2,732,915 10 41 .006744906
Random Totals: 12,959,731   12,760,930 34 1,391  
Catg J Exception Values: 6,721,240   6,878,774      
Catg D1 Exception Values: 22,724,249   24,828,420      
Total Test Values (4): 42,405,220   44,468,124      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,223,406

Confidence Interval Values (5)

State Lower Limit: 42,244,718 (State Test Value minus Margin of Error Percent)
Local Test Value: 42,405,220 (Within Confidence Interval)
State Upper Limit: 46,691,530 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 82,593,320 (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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