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2009 Confidence Interval Detail
071/El Paso
071-901/Clint ISD

Category Summary

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

Stratum
Variance
A 156,069,683 0.8829 176,769,377 15 4,317 .035125117
A 187,236,747 0.9768 191,683,811 30 2,148 .005302830
A 153,131,307 0.9891 154,818,832 30 1,341 .003910864
A 168,293,152 0.9773 172,202,141 21 939 .002743895
C 14,229,462 1.0209 13,938,155 14 1,011 .006944805
C 14,463,953 0.9429 15,339,859 13 557 .015902115
C 14,571,563 0.9525 15,298,229 13 283 .044651610
C 22,453,840 1.0708 20,969,219 10 100 .006840502
D3 66,723,826 0.9818 67,960,711 11 91,669 .000044248
F1 18,320,910 1.0121 18,101,877 10 146 .014416185
F1 16,018,644 1.0520 15,226,848 12 55 .019027909
F1 15,761,342 1.0523 14,977,993 11 30 .005763174
F1 25,736,426 0.9898 26,001,643 9 24 .011373742
Random Totals: 873,010,855   903,288,695 199 102,620  
Catg D1 Exception Values: 3,862,208   3,756,873      
Total Test Values (4): 876,873,063   907,045,568      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 45,352,278

Confidence Interval Values (5)

State Lower Limit: 861,693,290 (State Test Value minus Margin of Error Percent)
Local Test Value: 876,873,063 (Within Confidence Interval)
State Upper Limit: 952,397,846 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 927,053,610 (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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