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2006 Confidence Interval Detail
005/Archer
005-904/Windthorst ISD

Category Summary

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

Stratum
Variance
A 5,032,502 0.8780 5,731,779 7 94 .014280826
A 4,970,692 0.9489 5,238,373 7 56 .002589644
A 4,912,203 0.9616 5,108,364 7 38 .012141363
A 4,954,316 0.9936 4,986,228 7 22 .000975198
D3 20,259,370 0.9195 22,033,029 21 755 .018535222
G1 3,955,350 0.9710 4,073,481 9 43 .249413274
Random Totals: 44,084,433   47,171,254 58 1,008  
Catg D1 Exception Values: 5,907,200   4,857,096      
Total Test Values (4): 49,991,633   52,028,350      

Margin of Error

Margin of Error Percent: 5.0000010
Margin of Error Value: 2,601,418

Confidence Interval Values (5)

State Lower Limit: 49,426,932 (State Test Value minus Margin of Error Percent)
Local Test Value: 49,991,633 (Within Confidence Interval)
State Upper Limit: 54,629,768 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 50,701,876 (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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