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2007 Confidence Interval Detail
019/Bowie
019-901/DeKalb ISD

Category Summary

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

Stratum
Variance
A 15,492,663 0.9803 15,804,002 11 429 .020751096
A 15,503,184 0.9781 15,850,306 10 230 .001957382
A 15,484,818 0.9893 15,652,298 10 158 .004182308
A 15,446,943 0.9910 15,587,228 9 98 .007814271
D3 64,268,450 0.9949 64,597,899 22 2,907 .040587586
F1 2,834,299 0.8036 3,527,002 6 47 .046355193
F1 2,913,166 0.8386 3,473,845 5 17 .021271968
F1 2,925,936 0.8814 3,319,646 4 8 .002379004
F1 2,319,745 0.9770 2,374,355 2 3 .025106237
Random Totals: 137,189,204   140,186,581 79 3,897  
Catg J Exception Values: 4,379,678   4,062,106      
Catg D1 Exception Values: 16,932,690   15,557,181      
Total Test Values (4): 158,501,572   159,805,868      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,990,293

Confidence Interval Values (5)

State Lower Limit: 151,815,575 (State Test Value minus Margin of Error Percent)
Local Test Value: 158,501,572 (Within Confidence Interval)
State Upper Limit: 167,796,161 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 139,031,460 (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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