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2009 Confidence Interval Detail
108/Hidalgo
108-913/Weslaco ISD

Category Summary

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

Stratum
Variance
A 244,190,511 1.0861 224,832,438 15 6,041 .035618826
A 240,826,681 1.0331 233,110,716 28 3,244 .022743353
A 243,631,135 1.0389 234,508,745 29 2,139 .019650764
A 258,385,048 1.0127 255,144,710 25 1,271 .032273852
C 36,425,105 1.0468 34,796,623 8 2,049 .075955580
C 34,608,358 0.9953 34,771,785 13 1,249 .086020616
C 35,280,351 1.0673 33,055,702 8 621 .014056127
C 37,994,292 1.0094 37,640,472 7 140 .000436235
F1 95,794,080 0.9124 104,991,320 15 474 .049250903
F1 92,200,977 0.8341 110,539,476 12 142 .042799806
F1 92,392,474 0.9252 99,862,164 11 57 .011088442
F1 88,837,316 0.9262 95,915,910 8 15 .037539750
L1 35,777,558 0.9751 36,691,168 7 360 .002798515
L1 42,006,265 0.9650 43,529,808 8 94 .005885522
L1 35,468,462 1.0004 35,454,280 5 22 .004971867
L1 28,096,291 1.0279 27,333,681 3 3 .009786310
Random Totals: 1,641,914,904   1,642,178,998 202 17,921  
Catg D1 Exception Values: 6,072,385   6,542,636      
Total Test Values (4): 1,647,987,289   1,648,721,634      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 82,436,082

Confidence Interval Values (5)

State Lower Limit: 1,566,285,552 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,647,987,289 (Within Confidence Interval)
State Upper Limit: 1,731,157,716 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,773,592,997 (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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