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2010 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
A 540,660 0.9827 550,178 8 13 .009736821
A 714,590 0.9741 733,590 9 10 .013930943
A 955,670 0.9603 995,179 7 8 .007567651
D3 56,393,960 1.0017 56,298,253 23 2,092 .174011421
F1 1,805,660 0.9834 1,836,140 9 30 .003619997
F1 1,459,950 0.9698 1,505,413 6 10 .002173953
F1 2,160,960 0.9790 2,207,314 7 11 .002838543
F1 1,524,950 1.0161 1,500,787 3 4 .000113473
G1 6,538,102 1.0721 6,098,407 8 46 .072417005
Random Totals: 72,094,502   71,725,261 80 2,224  
Catg J Exception Values: 3,422,844   3,790,806      
Catg D1 Exception Values: 3,141,250   3,110,337      
Catg A Exception Values: 1,206,170   1,202,324      
Catg G1 Exception Values: 1,644,553   1,688,845      
Total Test Values (4): 81,509,319   81,517,573      

Margin of Error

Margin of Error Percent: 11.9581296
Margin of Error Value: 9,747,977

Confidence Interval Values (5)

State Lower Limit: 71,769,596 (State Test Value minus Margin of Error Percent)
Local Test Value: 81,509,319 (Within Confidence Interval)
State Upper Limit: 91,265,550 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 108,143,834 (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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