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2008 Confidence Interval Detail
107/Henderson
107-910/La Poynor ISD

Category Summary

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

Stratum
Variance
A 5,040,660 1.0855 4,643,630 8 111 .093173952
A 6,061,160 1.0269 5,902,386 7 78 .022247843
A 5,260,710 1.0003 5,259,132 6 45 .002013540
A 11,790,490 1.0401 11,335,920 6 52 .036142691
D3 54,573,380 1.0015 54,491,643 25 1,862 .007720418
G1 15,677,550 1.0003 15,672,848 6 7 .045446434
Random Totals: 98,403,950   97,305,559 58 2,155  
Catg D1 Exception Values: 6,653,580   7,314,067      
Catg G1 Exception Values: 316,519,468   312,691,147      
Total Test Values (4): 421,576,998   417,310,773      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 20,865,539

Confidence Interval Values (5)

State Lower Limit: 396,445,234 (State Test Value minus Margin of Error Percent)
Local Test Value: 421,576,998 (Within Confidence Interval)
State Upper Limit: 438,176,312 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 379,016,203 (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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