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2009 Confidence Interval Detail
108/Hidalgo
108-911/Sharyland ISD

Category Summary

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

Stratum
Variance
A 377,155,526 1.0081 374,125,113 67 3,424 .007022481
A 394,278,281 1.0367 380,320,518 72 2,281 .008151997
A 384,637,798 1.0346 371,774,404 62 1,587 .012966481
A 392,206,378 1.0362 378,504,515 25 929 .005670050
C 35,622,766 1.0965 32,487,703 8 1,125 .006310871
C 38,115,289 1.0312 36,962,072 9 738 .011899614
C 40,437,801 0.9564 42,281,264 7 416 .015249265
C 37,403,056 1.0072 37,135,679 9 97 .000048250
F1 76,320,386 0.8907 85,685,849 9 261 .030486068
F1 79,794,918 1.0612 75,193,100 8 64 .020555067
F1 60,188,982 0.9230 65,210,165 6 13 .014368927
F1 89,428,045 0.9764 91,589,559 4 10 .002268982
L1 49,402,568 1.1453 43,135,046 7 207 .052949919
L1 76,197,812 0.9939 76,665,471 5 25 .032060650
L1 47,341,279 0.9761 48,500,440 3 6 .001628370
L1 73,621,142 1.0059 73,189,325 2 4 .000019670
Random Totals: 2,252,152,027   2,212,760,223 303 11,187  
Catg D1 Exception Values: 2,111,291   2,439,806      
Catg L1 Exception Values: 65,618,914   61,855,940      
Total Test Values (4): 2,319,882,232   2,277,055,969      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 113,852,798

Confidence Interval Values (5)

State Lower Limit: 2,163,203,171 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,319,882,232 (Within Confidence Interval)
State Upper Limit: 2,390,908,767 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,357,796,011 (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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