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2007 Confidence Interval Detail
049/Cooke
049-905/Callisburg ISD

Category Summary

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

Stratum
Variance
A 94,120,601 0.9918 94,898,771 22 811 .008153027
A 94,057,803 0.9792 96,055,763 23 397 .005494482
A 93,896,302 0.9120 102,956,471 14 245 .025080689
A 93,694,767 0.9625 97,345,212 13 158 .009439710
D3 133,557,725 1.0088 132,392,670 38 3,839 .068930759
G1 4,953,660 0.8855 5,594,195 7 37 .135575661
G1 4,910,800 1.0490 4,681,411 5 15 .012446480
G1 5,158,480 0.8492 6,074,517 3 6 .076942713
Random Totals: 524,350,138   539,999,010 125 5,508  
Catg D1 Exception Values: 5,551,007   5,529,926      
Catg G1 Exception Values: 11,798,128   11,108,689      
Total Test Values (4): 541,699,273   556,637,625      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 27,831,881

Confidence Interval Values (5)

State Lower Limit: 528,805,744 (State Test Value minus Margin of Error Percent)
Local Test Value: 541,699,273 (Within Confidence Interval)
State Upper Limit: 584,469,506 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 495,725,170 (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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