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2009 Confidence Interval Detail
031/Cameron
031-911/Rio Hondo ISD

Category Summary

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

Stratum
Variance
A 26,717,256 1.0134 26,363,979 16 817 .023219353
A 26,129,706 0.9282 28,150,944 15 460 .023437285
A 27,220,289 0.9367 29,059,773 15 300 .013287970
A 27,102,181 0.9545 28,394,113 22 168 .017096746
C 2,592,393 0.9307 2,785,423 16 271 .021164033
C 2,339,161 0.9011 2,595,895 15 161 .027429518
C 2,439,443 0.9455 2,580,056 15 105 .008631574
C 1,843,109 1.0581 1,741,904 16 55 .020403842
D3 33,981,360 0.9694 35,054,013 20 2,359 .019912578
F1 1,982,419 1.1363 1,744,626 8 39 .062505141
F1 1,838,674 0.9818 1,872,758 9 14 .007495440
F1 2,059,166 0.9876 2,085,020 4 8 .003597100
F1 1,352,334 1.0265 1,317,422 3 3 .002041055
Random Totals: 157,597,491   163,745,926 174 4,760  
Catg J Exception Values: 20,822,244   21,995,859      
Catg D1 Exception Values: 12,096,896   12,814,791      
Catg F1 Exception Values: 2,454,465   2,247,330      
Total Test Values (4): 192,971,096   200,803,906      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,040,195

Confidence Interval Values (5)

State Lower Limit: 190,763,711 (State Test Value minus Margin of Error Percent)
Local Test Value: 192,971,096 (Within Confidence Interval)
State Upper Limit: 210,844,101 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 210,126,030 (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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