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2006 Confidence Interval Detail
083/Gaines
083-901/Seagraves ISD

Category Summary

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

Stratum
Variance
A 5,535,472 1.0478 5,282,947 7 314 .101924014
A 5,465,389 0.9797 5,578,635 8 148 .040752492
A 5,531,396 0.8741 6,328,104 11 94 .019312816
A 5,448,604 0.9166 5,944,364 9 59 .016835008
D3 9,697,479 0.8517 11,386,027 15 750 .011574137
G1 37,360,068 1.0080 37,063,560 13 39 .030245017
Random Totals: 69,038,408   71,583,637 63 1,404  
Catg J Exception Values: 3,880,836   3,396,877      
Catg D1 Exception Values: 16,618,402   21,394,617      
Catg G1 Exception Values: 59,199,368   55,056,120      
Total Test Values (4): 148,737,014   151,431,251      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 7,571,563

Confidence Interval Values (5)

State Lower Limit: 143,859,688 (State Test Value minus Margin of Error Percent)
Local Test Value: 148,737,014 (Within Confidence Interval)
State Upper Limit: 159,002,814 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 181,847,677 (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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