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2007 Confidence Interval Detail
178/Nueces
178-902/Bishop ISD

Category Summary

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

Stratum
Variance
A 23,369,532 0.9937 23,517,693 19 644 .032049709
A 23,307,069 1.0648 21,888,682 17 381 .027657998
A 23,348,526 0.9878 23,636,896 16 264 .004403316
A 23,314,081 0.9535 24,451,055 15 160 .009087833
D3 16,227,548 0.9592 16,917,794 14 1,365 .006959386
G1 9,787,823 0.9647 10,145,976 15 43 .062040788
G1 10,192,518 1.0436 9,766,690 10 14 .007536697
G1 10,599,829 1.0079 10,516,747 5 6 .002760863
Random Totals: 140,146,926   140,841,533 111 2,877  
Catg J Exception Values: 17,666,829   17,073,341      
Catg D1 Exception Values: 32,619,400   33,539,383      
Catg G1 Exception Values: 7,923,165   7,834,292      
Total Test Values (4): 198,356,320   199,288,549      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,964,427

Confidence Interval Values (5)

State Lower Limit: 189,324,122 (State Test Value minus Margin of Error Percent)
Local Test Value: 198,356,320 (Within Confidence Interval)
State Upper Limit: 209,252,976 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 470,612,236 (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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