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2012 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 7,610,802 0.8537 8,915,078 10 210 .012584840
A 7,416,556 0.8523 8,701,814 9 101 .014260351
A 7,776,109 0.9617 8,085,795 10 70 .007497382
A 7,061,487 1.0266 6,878,518 9 40 .004528657
D3 62,037,165 0.9697 63,975,626 17 2,598 .013017772
Random Totals: 91,902,119   96,556,831 55 3,019  
Catg J Exception Values: 1,071,280   1,148,908      
Catg D1 Exception Values: 9,103,369   7,738,507      
Total Test Values (4): 102,076,768   105,444,246      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,272,212

Confidence Interval Values (5)

State Lower Limit: 100,172,034 (State Test Value minus Margin of Error Percent)
Local Test Value: 102,076,768 (Within Confidence Interval)
State Upper Limit: 110,716,458 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 98,142,635 (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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