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2009 Confidence Interval Detail
108/Hidalgo
108-910/Progreso ISD

Category Summary

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

Stratum
Variance
A 20,577,211 0.9170 22,439,707 10 639 .019478492
A 19,394,941 0.9610 20,182,041 10 339 .010001789
A 20,588,255 1.0917 18,858,894 9 186 .131618821
A 20,104,677 0.9911 20,285,215 10 75 .003461234
C 4,019,910 1.0422 3,857,139 9 255 .001646388
C 6,117,692 1.0555 5,796,013 11 159 .004972321
C 5,009,056 1.0563 4,742,077 7 93 .003462045
C 3,607,772 1.0347 3,486,781 8 44 .000935434
D3 6,715,927 1.1437 5,872,105 12 488 .013097744
F1 3,832,241 0.9172 4,178,196 8 46 .084226376
F1 4,646,881 0.8158 5,696,103 9 19 .050104987
F1 3,088,422 1.0095 3,059,358 3 5 .011670126
F1 5,675,704 0.8822 6,433,580 2 4 .018348243
L1 1,817,170 1.1729 1,549,297 6 24 .017947240
L1 1,657,213 0.9788 1,693,107 3 6 .020039505
L1 1,617,389 1.0000 1,617,389 3 4
Random Totals: 128,470,461   129,747,002 120 2,386  
Catg D1 Exception Values: 4,249,821   4,435,228      
Catg L1 Exception Values: 8,191,581   8,227,791      
Total Test Values (4): 140,911,863   142,410,021      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,120,501

Confidence Interval Values (5)

State Lower Limit: 135,289,520 (State Test Value minus Margin of Error Percent)
Local Test Value: 140,911,863 (Within Confidence Interval)
State Upper Limit: 149,530,522 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 133,991,272 (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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