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2007 Confidence Interval Detail
108/Hidalgo
108-905/Hidalgo ISD

Category Summary

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

Stratum
Variance
A 24,993,955 1.0013 24,961,505 8 637 .021069103
A 24,980,454 1.1125 22,454,341 9 391 .004984697
A 25,039,039 1.1691 21,417,363 9 281 .005177961
A 24,915,584 1.0721 23,239,981 7 173 .018234758
C 5,516,572 1.0615 5,196,959 7 346 .009841757
C 5,180,229 1.0164 5,096,644 7 126 .000013845
C 5,371,905 1.0129 5,303,490 6 31 .000803762
C 5,124,046 0.9981 5,133,800 4 12 .000669082
F1 32,891,966 0.6793 48,420,383 5 109 .163186057
F1 32,870,101 0.8217 40,002,557 8 34 .038745758
F1 32,846,767 0.8468 38,789,286 6 11 .007116559
L1 18,917,218 1.0409 18,173,905 8 126 .003986813
L1 19,943,427 1.0338 19,291,378 5 25 .001421785
L1 21,832,049 0.9985 21,864,846 3 6 .000582001
Random Totals: 280,423,312   299,346,438 92 2,308  
Catg D1 Exception Values: 4,420,866   4,463,295      
Catg F1 Exception Values: 20,202,619   20,801,983      
Catg L1 Exception Values: 7,802,698   7,687,791      
Total Test Values (4): 312,849,495   332,299,507      

Margin of Error

Margin of Error Percent: 5.4745654
Margin of Error Value: 18,191,954

Confidence Interval Values (5)

Local Test Value: 312,849,495 (Outside Confidence Interval)
State Lower Limit: 314,107,553 (State Test Value minus Margin of Error Percent)
State Upper Limit: 350,491,461 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 372,147,094 (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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