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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 0.9199 20,535,646 15 858 .062764774
A 18,924,131 0.9740 19,429,293 16 391 .031670727
A 18,847,473 1.1519 16,362,074 11 271 .020589231
A 18,878,681 1.1208 16,843,934 18 190 .019497635
D3 11,743,259 0.9958 11,792,789 12 1,150 .008049854
F1 5,349,516 0.8868 6,032,382 10 58 .016104120
F1 5,317,416 0.9392 5,661,644 6 25 .046567841
F1 5,862,760 0.9051 6,477,472 6 13 .040200561
F1 4,641,802 1.0468 4,434,278 3 4 .007551538
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   113,687,058 110 2,994  
Catg D1 Exception Values: 12,059,740   11,781,710      
Catg L1 Exception Values: 40,033,703   36,396,551      
Total Test Values (4): 166,790,346   161,865,319      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,093,266

Confidence Interval Values (5)

State Lower Limit: 153,772,053 (State Test Value minus Margin of Error Percent)
Local Test Value: 166,790,346 (Within Confidence Interval)
State Upper Limit: 169,958,585 (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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