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2009 Confidence Interval Detail
019/Bowie
019-903/Maud ISD

Category Summary

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

Stratum
Variance
A 8,747,774 0.9941 8,799,692 11 248 .030041248
A 8,522,322 1.0288 8,283,750 12 132 .015973478
A 8,728,147 0.9655 9,040,028 10 91 .006377060
A 10,769,677 0.9018 11,942,423 9 69 .053228824
D3 17,879,026 0.9993 17,891,550 25 663 .068862320
Random Totals: 54,646,946   55,957,443 67 1,203  
Catg D1 Exception Values: 1,772,402   1,440,821      
Total Test Values (4): 56,419,348   57,398,264      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,869,913

Confidence Interval Values (5)

State Lower Limit: 54,528,351 (State Test Value minus Margin of Error Percent)
Local Test Value: 56,419,348 (Within Confidence Interval)
State Upper Limit: 60,268,177 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 54,534,135 (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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