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2008 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 29,462,755 0.9859 29,884,121 7 453 .016836950
A 31,470,954 0.9656 32,592,123 7 270 .010196203
A 36,787,779 0.9376 39,236,112 11 214 .003602748
A 35,008,227 0.9789 35,762,823 7 131 .000915870
D3 41,541,623 0.9694 42,852,922 21 1,019 .089179965
Random Totals: 174,271,338   180,328,101 53 2,087  
Catg D1 Exception Values: 2,432,564   2,423,659      
Total Test Values (4): 176,703,902   182,751,760      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,137,588

Confidence Interval Values (5)

State Lower Limit: 173,614,172 (State Test Value minus Margin of Error Percent)
Local Test Value: 176,703,902 (Within Confidence Interval)
State Upper Limit: 191,889,348 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 179,763,987 (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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