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2010 Confidence Interval Detail
049/Cooke
169-911/Saint Jo ISD

Category Summary

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

Stratum
Variance
A 2,062,030 0.9704 2,124,928 10 33 .020176907
D3 13,152,850 1.0527 12,494,395 20 423 .050319711
G1 1,917,110 1.0050 1,907,572 15 29 .035346755
Random Totals: 17,131,990   16,526,895 45 485  
Catg J Exception Values: 89,840   88,392      
Catg D1 Exception Values: 1,883,622   1,733,200      
Catg A Exception Values: 550,067   561,656      
Catg G1 Exception Values: 576,230   582,338      
Total Test Values (4): 20,231,749   19,492,481      

Margin of Error

Margin of Error Percent: 6.4111593
Margin of Error Value: 1,249,694

Confidence Interval Values (5)

State Lower Limit: 18,242,787 (State Test Value minus Margin of Error Percent)
Local Test Value: 20,231,749 (Within Confidence Interval)
State Upper Limit: 20,742,175 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 40,732,439 (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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