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2011 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 2,890,940 0.8695 3,324,830 11 34 .043989079
A 2,277,980 0.9063 2,513,494 5 13 .006486797
D3 11,451,525 0.9970 11,485,983 15 481 .009514977
Random Totals: 16,620,445   17,324,307 31 528  
Catg D1 Exception Values: 1,529,740   1,598,496      
Total Test Values (4): 18,150,185   18,922,803      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 946,140

Confidence Interval Values (5)

State Lower Limit: 17,976,663 (State Test Value minus Margin of Error Percent)
Local Test Value: 18,150,185 (Within Confidence Interval)
State Upper Limit: 19,868,943 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 18,854,286 (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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