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2007 Confidence Interval Detail
242/Wheeler
242-906/Fort Elliott CISD

Category Summary

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

Stratum
Variance
D3 16,816,412 0.6427 26,165,259 11 2,025 .119102304
G1 266,200,373 1.0561 252,059,817 15 387 .173328827
G1 266,184,509 1.0062 264,544,334 15 185 .097430893
G1 267,157,797 1.0420 256,389,440 15 101 .036720752
G1 263,818,626 1.1404 231,338,676 15 39 .047651382
Random Totals: 1,080,177,717   1,030,497,526 71 2,737  
Catg J Exception Values: 3,556,199   3,322,912      
Catg D1 Exception Values: 16,772,086   18,167,445      
Total Test Values (4): 1,100,506,002   1,051,987,883      

Margin of Error

Margin of Error Percent: 7.0255658
Margin of Error Value: 73,908,101

Confidence Interval Values (5)

State Lower Limit: 978,079,782 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,100,506,002 (Within Confidence Interval)
State Upper Limit: 1,125,895,984 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,337,015,214 (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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