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2007 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 368,258,864 0.9874 372,958,137 46 3,156 .006775421
A 368,374,338 1.0279 358,375,657 86 1,898 .004431775
A 368,167,922 1.0429 353,023,226 70 1,320 .006392502
A 368,091,754 1.0041 366,588,740 49 738 .007882571
C 39,259,358 0.9428 41,641,237 7 1,054 .032935915
C 39,212,573 0.8774 44,691,786 7 701 .072952562
C 39,357,994 1.0694 36,803,810 7 390 .008368567
C 39,069,055 0.9877 39,555,589 6 72 .001906015
F1 65,107,798 0.5127 126,990,049 7 235 1.376548638
F1 64,802,069 0.8242 78,624,204 6 50 .057052993
F1 69,255,666 0.8001 86,558,763 4 12 .072487169
F1 59,694,145 0.7575 78,804,152 3 5 .172125948
L1 54,065,940 0.9411 57,449,729 7 124 .045995747
L1 52,207,451 1.0266 50,854,716 4 8 .009205347
L1 60,348,810 0.9774 61,744,230 3 5 .003708703
L1 106,615,037 1.0374 102,771,387 2 3 .000345883
Random Totals: 2,161,888,774   2,257,435,412 314 9,771  
Catg D1 Exception Values: 2,011,456   2,362,427      
Total Test Values (4): 2,163,900,230   2,259,797,839      

Margin of Error

Margin of Error Percent: 5.1134613
Margin of Error Value: 115,553,888

Confidence Interval Values (5)

State Lower Limit: 2,144,243,951 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,163,900,230 (Within Confidence Interval)
State Upper Limit: 2,375,351,727 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,308,935,960 (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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