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2007 Confidence Interval Detail
071/El Paso
071-907/Canutillo ISD

Category Summary

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

Stratum
Variance
A 136,404,468 0.7664 177,980,778 7 2,251 .068979118
A 136,318,801 1.0226 133,306,084 25 908 .005782897
A 136,524,199 1.0016 136,306,109 30 583 .020332766
A 136,183,256 1.0197 133,552,276 46 362 .004977537
C 12,345,191 1.0238 12,058,206 9 488 .055165310
C 12,507,143 0.6276 19,928,526 9 46 .098787254
C 12,457,849 0.5378 23,164,464 6 16 .231112103
C 12,037,069 0.9037 13,319,762 5 6 .030695769
D3 53,343,259 1.0433 51,129,358 16 837 .070465720
F1 32,718,060 0.9380 34,880,661 8 187 .034671429
F1 32,824,317 0.9559 34,338,652 8 42 .028520773
F1 32,590,587 1.0032 32,486,630 6 12 .000453299
L1 14,190,229 1.1623 12,208,749 8 141 .078653182
L1 14,521,833 0.8428 17,230,462 7 29 .222280935
L1 27,905,801 1.0059 27,742,122 7 11 .000702920
Random Totals: 802,872,062   859,632,839 197 5,919  
Catg D1 Exception Values: 1,910,443   1,857,441      
Catg F1 Exception Values: 34,272,621   34,586,769      
Total Test Values (4): 839,055,126   896,077,049      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 44,803,852

Confidence Interval Values (5)

Local Test Value: 839,055,126 (Outside Confidence Interval)
State Lower Limit: 851,273,197 (State Test Value minus Margin of Error Percent)
State Upper Limit: 940,880,901 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,028,898,152 (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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