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2007 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 139,218,542 0.8943 155,673,199 14 4,216 .116521929
A 139,265,989 0.8731 159,507,489 11 1,696 .032308853
A 139,103,525 1.0019 138,839,730 31 1,240 .016889351
A 139,069,014 0.9961 139,613,507 42 778 .016788224
C 14,345,549 1.0044 14,282,705 16 1,000 .069569166
C 13,558,065 0.8179 16,576,678 11 557 .146535399
C 13,980,442 0.9251 15,112,358 20 245 .265794395
C 13,866,770 1.0257 13,519,323 12 50 .071116577
D3 65,491,851 1.0780 60,753,109 11 91,590 .024895286
F1 15,418,726 0.8958 17,212,242 12 118 .038177885
F1 15,350,455 0.9263 16,571,796 12 49 .037745250
F1 15,262,595 1.0550 14,466,915 11 27 .010186719
F1 14,968,600 0.9766 15,327,258 8 13 .004512347
Random Totals: 738,900,123   777,456,309 211 101,579  
Catg D1 Exception Values: 4,128,839   4,013,493      
Total Test Values (4): 743,028,962   781,469,802      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 39,073,490

Confidence Interval Values (5)

State Lower Limit: 742,396,312 (State Test Value minus Margin of Error Percent)
Local Test Value: 743,028,962 (Within Confidence Interval)
State Upper Limit: 820,543,292 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 792,354,413 (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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