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2007 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
D3 62,977,168 0.8805 71,524,325 15 1,856 .120829564
F1 18,913,135 1.0410 18,168,237 10 173 .006726651
G1 12,148,990 1.0509 11,560,558 10 14 .003295429
L1 16,350,792 0.9872 16,562,796 7 101 .001025703
Random Totals: 110,390,085   117,815,916 42 2,144  
Catg J Exception Values: 23,313,830   24,341,198      
Catg D1 Exception Values: 47,719,170   67,721,913      
Catg F1 Exception Values: 522,630   510,487      
Catg G1 Exception Values: 10,661,140   10,155,717      
Catg L1 Exception Values: 1,202,030   1,200,175      
Total Test Values (4): 193,808,885   221,745,406      

Margin of Error

Margin of Error Percent: 5.8422807
Margin of Error Value: 12,954,989

Confidence Interval Values (5)

Local Test Value: 193,808,885 (Outside Confidence Interval)
State Lower Limit: 208,790,417 (State Test Value minus Margin of Error Percent)
State Upper Limit: 234,700,395 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 516,624,668 (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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