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2010 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 1,836,470 0.9512 1,930,688 8 51 .028957171
A 1,789,432 0.9920 1,803,863 7 22 .030997344
A 1,455,081 0.9993 1,456,100 6 13 .005947481
A 2,292,286 0.9936 2,307,051 5 16 .003755352
D3 12,472,356 1.0303 12,105,558 20 488 .020123233
Random Totals: 19,845,625   19,603,260 46 590  
Catg J Exception Values: 502,570   438,956      
Catg D1 Exception Values: 1,003,198   814,729      
Total Test Values (4): 21,351,393   20,856,945      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,042,847

Confidence Interval Values (5)

State Lower Limit: 19,814,098 (State Test Value minus Margin of Error Percent)
Local Test Value: 21,351,393 (Within Confidence Interval)
State Upper Limit: 21,899,792 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 17,579,093 (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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