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2007 Confidence Interval Detail
019/Bowie
019-910/Malta ISD

Category Summary

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

Stratum
Variance
A 1,722,638 1.0318 1,669,546 6 38 .017705889
A 1,626,253 0.9773 1,664,026 5 16 .005853677
A 1,762,221 1.0353 1,702,136 6 13 .002113391
A 1,533,668 1.0980 1,396,783 5 8 .002947077
D3 10,720,010 1.0305 10,402,727 21 382 .012679189
Random Totals: 17,364,790   16,835,218 43 457  
Catg D1 Exception Values: 1,000,440   885,800      
Total Test Values (4): 18,365,230   17,721,018      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 886,051

Confidence Interval Values (5)

State Lower Limit: 16,834,967 (State Test Value minus Margin of Error Percent)
Local Test Value: 18,365,230 (Within Confidence Interval)
State Upper Limit: 18,607,069 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 14,776,100 (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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