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2006 Confidence Interval Detail
019/Bowie
019-909/Simms ISD

Category Summary

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

Stratum
Variance
A 4,210,125 0.9139 4,606,768 13 155 .054591276
A 4,205,090 0.9453 4,448,418 12 80 .017518207
A 4,259,937 0.9583 4,445,306 13 52 .013047538
A 4,113,820 1.0912 3,769,996 13 26 .014637655
D3 43,389,320 0.9902 43,818,744 30 2,463 .068544791
Random Totals: 60,178,292   61,089,232 81 2,776  
Catg J Exception Values: 4,741,478   4,552,199      
Catg D1 Exception Values: 8,511,580   8,101,970      
Total Test Values (4): 73,431,350   73,743,401      

Margin of Error

Margin of Error Percent: 5.7009277
Margin of Error Value: 4,204,058

Confidence Interval Values (5)

State Lower Limit: 69,539,343 (State Test Value minus Margin of Error Percent)
Local Test Value: 73,431,350 (Within Confidence Interval)
State Upper Limit: 77,947,459 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 68,368,094 (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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