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2008 Confidence Interval Detail
103/Hartley
056-901/Dalhart CISD

Category Summary

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

Stratum
Variance
A 148,787,950 0.9138 162,823,320 30 1,095 .009330650
D3 9,589,550 0.9794 9,791,250 10 774 .000178300
G1 12,344,520 1.1123 11,098,193 10 14 .006041542
L1 22,119,180 1.0762 20,553,038 10 173 .011989692
Random Totals: 192,841,200   204,265,801 60 2,056  
Catg D1 Exception Values: 23,676,180   23,558,475      
Catg G1 Exception Values: 16,862,580   17,368,598      
Total Test Values (4): 233,379,960   245,192,874      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 12,259,644

Confidence Interval Values (5)

State Lower Limit: 232,933,230 (State Test Value minus Margin of Error Percent)
Local Test Value: 233,379,960 (Within Confidence Interval)
State Upper Limit: 257,452,518 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 242,508,783 (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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