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2007 Confidence Interval Detail
071/El Paso
071-903/Fabens ISD

Category Summary

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

Stratum
Variance
A 18,890,741 0.7538 25,060,681 15 858 .073183156
A 18,924,131 0.8003 23,646,296 16 391 .040130838
A 18,847,473 0.9914 19,010,967 11 271 .031433551
A 18,878,681 0.9501 19,870,204 21 190 .065974566
D3 11,743,259 0.9606 12,224,921 12 1,150 .024782986
F1 5,349,516 0.8868 6,032,382 10 58 .016104120
F1 5,317,416 0.8960 5,934,616 6 25 .050518434
F1 5,862,760 0.8935 6,561,567 7 13 .037940292
F1 4,641,802 0.9838 4,718,237 3 4 .033347808
L1 2,121,621 1.0890 1,948,229 6 20 .043212897
L1 2,124,058 0.9635 2,204,523 5 10 .057222994
L1 1,995,445 1.0156 1,964,794 2 4 .018087162
Random Totals: 114,696,903   129,177,417 114 2,994  
Catg D1 Exception Values: 12,059,740   11,780,173      
Catg L1 Exception Values: 40,033,703   36,396,551      
Total Test Values (4): 166,790,346   177,354,141      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,867,707

Confidence Interval Values (5)

Local Test Value: 166,790,346 (Outside Confidence Interval)
State Lower Limit: 168,486,434 (State Test Value minus Margin of Error Percent)
State Upper Limit: 186,221,848 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 123,203,348 (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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