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2011 Confidence Interval Detail
074/Fannin
074-917/Sam Rayburn ISD

Category Summary

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

Stratum
Variance
A 6,730,530 0.9301 7,236,351 13 180 .023282400
A 5,940,806 0.9447 6,288,564 11 90 .017318537
A 8,283,038 0.9892 8,373,471 14 84 .006596624
A 6,518,620 0.9600 6,790,229 11 37 .010844467
D3 64,202,183 1.1209 57,277,351 15 2,336 .037232428
Random Totals: 91,675,177   85,965,966 64 2,727  
Catg D1 Exception Values: 6,597,373   6,300,978      
Total Test Values (4): 98,272,550   92,266,944      

Margin of Error

Margin of Error Percent: 6.2417576
Margin of Error Value: 5,759,079

Confidence Interval Values (5)

State Lower Limit: 86,507,865 (State Test Value minus Margin of Error Percent)
State Upper Limit: 98,026,023 (State Test Value plus Margin of Error Percent)
Local Test Value: 98,272,550 (Outside Confidence Interval)
Value Assigned (6): 83,769,688 (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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