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2011 Confidence Interval Detail
186/Pecos
186-902/Fort Stockton ISD

Category Summary

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

Stratum
Variance
A 43,312,670 1.0088 42,934,843 10 1,435 .018507849
A 45,664,230 0.9485 48,143,627 11 805 .008848263
A 45,500,500 0.9559 47,599,644 10 503 .009898304
A 51,588,890 0.9601 53,732,830 10 341 .004866990
G1 192,493,082 0.9603 200,450,986 10 358 .005426622
G1 192,567,845 0.9568 201,262,380 9 74 .019754736
G1 193,281,625 1.0510 183,902,593 7 29 .004728486
G1 189,424,646 1.0037 188,726,358 5 12 .004872982
Random Totals: 953,833,488   966,753,261 72 3,557  
Catg J Exception Values: 17,567,560   18,094,105      
Catg D1 Exception Values: 16,868,820   34,596,838      
Total Test Values (4): 988,269,868   1,019,444,204      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 50,972,210

Confidence Interval Values (5)

State Lower Limit: 968,471,994 (State Test Value minus Margin of Error Percent)
Local Test Value: 988,269,868 (Within Confidence Interval)
State Upper Limit: 1,070,416,414 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,198,303,405 (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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