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2007 Confidence Interval Detail
178/Nueces
178-906/London ISD

Category Summary

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

Stratum
Variance
A 22,175,879 0.9845 22,525,017 6 73 .007188455
A 21,914,251 1.0073 21,755,436 10 62 .002508816
A 21,730,959 0.9660 22,495,817 10 53 .007378241
A 21,648,907 1.0100 21,434,561 11 40 .011702662
D3 17,625,360 0.9638 18,287,363 14 689 .000861567
G1 12,596,151 1.0552 11,937,217 4 10 .018919692
Random Totals: 117,691,507   118,435,411 55 927  
Catg D1 Exception Values: 14,850,765   15,255,614      
Catg G1 Exception Values: 40,017,369   40,775,229      
Total Test Values (4): 172,559,641   174,466,254      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 8,723,313

Confidence Interval Values (5)

State Lower Limit: 165,742,941 (State Test Value minus Margin of Error Percent)
Local Test Value: 172,559,641 (Within Confidence Interval)
State Upper Limit: 183,189,567 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 205,215,027 (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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