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2008 Confidence Interval Detail
056/Dallam
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 64,838,920 0.8918 72,705,674 18 1,792 .041114885
D3 11,795,300 1.0100 11,678,515 33 1,143 .014587886
F1 24,955,500 1.0094 24,723,103 13 350 .012016535
L1 25,664,200 0.9723 26,395,351 12 312 .006871901
Random Totals: 127,253,920   135,502,643 76 3,597  
Catg J Exception Values: 17,141,810   16,944,889      
Catg D1 Exception Values: 27,443,680   28,126,777      
Total Test Values (4): 171,839,410   180,574,309      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,028,715

Confidence Interval Values (5)

State Lower Limit: 171,545,594 (State Test Value minus Margin of Error Percent)
Local Test Value: 171,839,410 (Within Confidence Interval)
State Upper Limit: 189,603,024 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 288,272,318 (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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