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2012 Confidence Interval Detail
030/Callahan
030-906/Eula ISD

Category Summary

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

Stratum
Variance
D3 63,383,050 0.9044 70,082,983 30 2,160 .091226575
F1 1,785,290 0.9810 1,819,867 8 28 .000848713
F1 1,543,370 0.9781 1,577,927 5 10 .002149587
F1 1,832,690 0.9446 1,940,176 6 9 .001277706
G1 4,226,063 1.0054 4,203,365 8 45 .072856003
Random Totals: 72,770,463   79,624,318 57 2,252  
Catg J Exception Values: 1,368,472   2,134,953      
Catg D1 Exception Values: 3,113,820   3,148,628      
Catg F1 Exception Values: 1,567,950   1,623,555      
Catg G1 Exception Values: 6,566,590   6,253,411      
Total Test Values (4): 85,387,295   92,784,865      

Margin of Error

Margin of Error Percent: 8.3303198
Margin of Error Value: 7,729,276

Confidence Interval Values (5)

State Lower Limit: 85,055,589 (State Test Value minus Margin of Error Percent)
Local Test Value: 85,387,295 (Within Confidence Interval)
State Upper Limit: 100,514,141 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 110,898,127 (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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