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2011 Confidence Interval Detail
129/Kaufman
129-901/Crandall ISD

Category Summary

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

Stratum
Variance
A 120,016,592 1.0256 117,020,858 22 1,266 .012106852
A 129,235,737 1.0382 124,480,579 23 988 .003549424
A 121,215,520 1.0711 113,169,191 15 743 .007026342
A 109,741,780 0.9878 111,097,165 7 477 .022829662
D3 44,938,989 1.2938 34,734,108 15 1,390 .425987306
Random Totals: 525,148,618   500,501,901 82 4,864  
Catg D1 Exception Values: 5,865,790   4,355,450      
Total Test Values (4): 531,014,408   504,857,351      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 25,242,868

Confidence Interval Values (5)

State Lower Limit: 479,614,483 (State Test Value minus Margin of Error Percent)
State Upper Limit: 530,100,219 (State Test Value plus Margin of Error Percent)
Local Test Value: 531,014,408 (Outside Confidence Interval)
Value Assigned (6): 552,323,646 (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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