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2009 Confidence Interval Detail
107/Henderson
107-902/Brownsboro ISD

Category Summary

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

Stratum
Variance
A 96,324,850 1.0617 90,726,994 42 1,906 .044049431
A 103,028,650 1.0017 102,853,799 37 962 .022500690
A 111,806,750 1.0169 109,948,618 36 720 .024039046
A 132,915,020 0.9589 138,611,972 19 508 .039397357
D3 143,604,440 0.9985 143,820,170 28 3,829 .012868344
G1 2,625,977 1.3768 1,907,305 12 28 .157639212
Random Totals: 590,305,687   587,868,858 174 7,953  
Catg D1 Exception Values: 8,846,670   10,709,554      
Catg G1 Exception Values: 67,771,824   68,944,325      
Total Test Values (4): 666,924,181   667,522,737      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 33,376,137

Confidence Interval Values (5)

State Lower Limit: 634,146,600 (State Test Value minus Margin of Error Percent)
Local Test Value: 666,924,181 (Within Confidence Interval)
State Upper Limit: 700,898,874 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 642,695,211 (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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