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2009 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
G1 167,908,790 0.9706 172,994,838 15 221 .014664711
G1 167,840,690 1.0173 164,986,425 14 111 .007322784
G1 168,728,860 1.0512 160,510,712 13 74 .010618340
G1 164,723,420 1.0214 161,272,195 11 35 .008013753
L1 4,721,020 1.0000 4,721,020 4 8
L1 39,925,000 1.0639 37,527,023 2 6 .009071367
Random Totals: 713,847,780   702,012,213 59 455  
Catg J Exception Values: 3,985,090   4,388,665      
Catg D1 Exception Values: 11,837,800   10,566,458      
Total Test Values (4): 729,670,670   716,967,336      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 35,848,367

Confidence Interval Values (5)

State Lower Limit: 681,118,969 (State Test Value minus Margin of Error Percent)
Local Test Value: 729,670,670 (Within Confidence Interval)
State Upper Limit: 752,815,703 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 984,300,868 (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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