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2006 Confidence Interval Detail
019/Bowie
019-906/Redwater ISD

Category Summary

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

Stratum
Variance
A 26,546,671 0.9559 27,771,389 11 406 .013650383
A 26,469,030 0.9216 28,720,736 12 231 .005366385
A 26,489,833 0.9811 27,000,136 10 165 .004825206
A 26,494,651 0.9681 27,367,680 10 113 .001246762
D3 42,061,430 0.9938 42,323,838 20 1,304 .034912300
Random Totals: 148,061,615   153,183,779 63 2,219  
Catg D1 Exception Values: 2,729,300   2,241,020      
Total Test Values (4): 150,790,915   155,424,799      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,771,240

Confidence Interval Values (5)

State Lower Limit: 147,653,559 (State Test Value minus Margin of Error Percent)
Local Test Value: 150,790,915 (Within Confidence Interval)
State Upper Limit: 163,196,039 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 158,163,409 (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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