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2009 Confidence Interval Detail
074/Fannin
091-910/Whitewright ISD

Category Summary

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

Stratum
Variance
A 1,435,420 0.9227 1,555,674 5 22 .014880005
A 1,435,810 1.0237 1,402,569 4 12 .000821667
A 1,038,790 1.0169 1,021,526 4 7 .000790290
A 1,414,620 1.0016 1,412,360 3 7 .000527644
D3 12,458,290 1.0107 12,326,398 24 475 .059371891
Random Totals: 17,782,930   17,718,527 40 523  
Catg J Exception Values: 2,256,680   2,172,833      
Catg D1 Exception Values: 1,703,360   1,509,745      
Total Test Values (4): 21,742,970   21,401,105      

Margin of Error

Margin of Error Percent: 5.7148077
Margin of Error Value: 1,223,032

Confidence Interval Values (5)

State Lower Limit: 20,178,073 (State Test Value minus Margin of Error Percent)
Local Test Value: 21,742,970 (Within Confidence Interval)
State Upper Limit: 22,624,137 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 20,320,964 (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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