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2010 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 7,937,680 1.0710 7,411,466 7 140 .112757242
A 8,275,200 1.0164 8,141,677 7 81 .003311753
A 7,971,070 1.0977 7,261,611 7 46 .006906353
A 7,733,170 1.0637 7,270,067 7 24 .009267760
D3 66,799,620 0.8806 75,856,938 22 1,849 .099891665
G1 8,474,515 1.0162 8,339,416 3 4 .038920250
Random Totals: 107,191,255   114,281,175 53 2,144  
Catg J Exception Values: 23,808,000   30,786,360      
Catg D1 Exception Values: 6,546,820   7,172,314      
Catg G1 Exception Values: 168,104,707   163,604,618      
Total Test Values (4): 305,650,782   315,844,467      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,792,223

Confidence Interval Values (5)

State Lower Limit: 300,052,244 (State Test Value minus Margin of Error Percent)
Local Test Value: 305,650,782 (Within Confidence Interval)
State Upper Limit: 331,636,690 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 305,408,824 (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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