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2006 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 13,583,862 0.9453 14,369,895 14 431 .009649879
A 13,568,460 1.0207 13,293,289 14 230 .010877639
A 13,559,344 1.0036 13,510,705 11 160 .013061879
A 13,450,388 1.0322 13,030,796 22 102 .009824558
D3 56,717,490 0.9579 59,210,241 22 3,501 .089115134
F1 2,717,312 0.9620 2,824,649 7 46 .060099878
F1 2,604,615 0.8054 3,233,940 5 16 .006399403
F1 3,002,808 0.8690 3,455,475 4 9 .014132503
F1 2,297,256 0.8974 2,559,902 2 3 .016010646
Random Totals: 121,501,535   125,488,892 101 4,498  
Catg J Exception Values: 4,716,489   4,697,119      
Catg D1 Exception Values: 16,627,140   17,312,655      
Total Test Values (4): 142,845,164   147,498,666      

Margin of Error

Margin of Error Percent: 5.1685247
Margin of Error Value: 7,623,505

Confidence Interval Values (5)

State Lower Limit: 139,875,161 (State Test Value minus Margin of Error Percent)
Local Test Value: 142,845,164 (Within Confidence Interval)
State Upper Limit: 155,122,171 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 126,455,079 (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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