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2012 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 26,414,527 0.9075 29,106,917 11 524 .009133377
A 29,912,535 0.9927 30,132,502 10 389 .011927575
A 25,716,383 0.9345 27,518,869 11 238 .005396174
A 48,108,383 1.0366 46,409,785 9 265 .024378235
D3 21,965,280 0.9913 22,158,055 15 1,400 .012866012
G1 5,403,663 0.9783 5,523,523 9 43 .028596942
G1 5,327,291 1.0595 5,028,118 7 17 .043422067
G1 5,054,214 0.9981 5,063,835 5 10 .004826540
G1 4,957,534 0.9969 4,972,950 2 3 .000123238
Random Totals: 172,859,810   175,914,554 79 2,889  
Catg J Exception Values: 4,966,820   3,956,596      
Catg D1 Exception Values: 33,845,657   38,586,130      
Total Test Values (4): 211,672,287   218,457,280      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,922,864

Confidence Interval Values (5)

State Lower Limit: 207,534,416 (State Test Value minus Margin of Error Percent)
Local Test Value: 211,672,287 (Within Confidence Interval)
State Upper Limit: 229,380,144 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 472,226,248 (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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