Veteran's Day

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2009 Confidence Interval Detail
241/Wharton
241-903/El Campo ISD

Category Summary

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

Stratum
Variance
A 99,856,574 0.9844 101,439,023 25 1,822 .050182045
A 102,755,512 0.9428 108,989,724 11 1,007 .028481139
A 100,508,005 0.9488 105,931,708 19 701 .013510979
A 107,386,252 0.9612 111,721,028 11 467 .020004148
D3 86,518,116 1.0140 85,323,586 15 5,835 .019582671
F1 22,714,771 1.0375 21,893,755 7 272 .012227657
F1 23,451,046 1.0026 23,390,231 7 100 .016728779
F1 19,365,307 0.9553 20,271,440 6 29 .007399597
F1 26,572,951 0.9644 27,553,869 4 13 .001135484
G1 73,150,250 0.9820 74,491,090 9 80 .105805966
G1 74,300,595 0.9419 78,883,740 9 31 .046309638
G1 72,212,040 1.0175 70,970,064 5 12 .018676325
G1 72,528,860 1.0064 72,067,627 3 4 .137986432
L1 13,730,918 1.0118 13,570,783 7 295 .010715952
L1 14,199,255 1.0241 13,865,106 6 64 .004040959
L1 15,140,761 1.0187 14,862,826 5 26 .001835294
L1 13,473,728 0.9912 13,593,349 3 6 .000560138
Random Totals: 937,864,941   958,818,949 152 10,764  
Catg J Exception Values: 34,761,322   34,505,283      
Catg D1 Exception Values: 59,442,408   58,872,505      
Total Test Values (4): 1,032,068,671   1,052,196,737      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 52,609,837

Confidence Interval Values (5)

State Lower Limit: 999,586,900 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,032,068,671 (Within Confidence Interval)
State Upper Limit: 1,104,806,574 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,119,241,264 (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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