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2011 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 21,620,503 0.9293 23,265,364 10 679 .016179646
A 21,121,478 0.9747 21,669,722 11 373 .004544660
A 20,305,921 0.9842 20,631,905 12 186 .013072810
A 18,230,148 1.0087 18,072,914 10 73 .001959963
C 3,320,716 0.9834 3,376,770 10 207 .000241350
C 3,508,292 0.9975 3,517,085 13 97 .000668185
C 5,777,371 0.9881 5,846,950 14 109 .000901203
C 2,388,971 0.9958 2,399,047 10 32 .039910675
D3 7,444,150 0.9857 7,552,146 15 508 .002366693
F1 4,861,237 0.9781 4,970,082 8 51 .005722922
F1 5,006,484 0.9876 5,069,344 6 19 .008305925
F1 5,013,818 1.0038 4,994,838 4 8 .001527402
Random Totals: 118,599,089   121,366,167 123 2,342  
Catg D1 Exception Values: 4,151,905   4,497,200      
Catg F1 Exception Values: 2,969,388   2,884,821      
Total Test Values (4): 125,720,382   128,748,188      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,437,409

Confidence Interval Values (5)

State Lower Limit: 122,310,779 (State Test Value minus Margin of Error Percent)
Local Test Value: 125,720,382 (Within Confidence Interval)
State Upper Limit: 135,185,597 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 124,850,643 (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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