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2009 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 6,554,704 0.9159 7,156,572 8 197 .031511874
A 6,730,810 0.9493 7,090,288 7 103 .006784888
A 7,235,006 0.9762 7,411,397 7 73 .003774896
A 7,924,774 0.9595 8,259,275 7 46 .005918671
D3 64,378,137 1.1306 56,941,568 29 2,553 .062879582
Random Totals: 92,823,431   86,859,100 58 2,972  
Catg J Exception Values: 5,474,097   5,699,632      
Catg D1 Exception Values: 8,474,331   6,951,821      
Total Test Values (4): 106,771,859   99,510,553      

Margin of Error

Margin of Error Percent: 5.4311406
Margin of Error Value: 5,404,558

Confidence Interval Values (5)

State Lower Limit: 94,105,995 (State Test Value minus Margin of Error Percent)
State Upper Limit: 104,915,111 (State Test Value plus Margin of Error Percent)
Local Test Value: 106,771,859 (Outside Confidence Interval)
Value Assigned (6): 94,393,065 (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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