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2006 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 6,840,868 1.0191 6,712,656 7 138 .002886043
A 6,822,817 1.0665 6,397,391 6 83 .012032270
A 6,821,482 1.0486 6,505,323 7 56 .020624406
A 6,541,177 0.9357 6,990,678 6 32 .018703028
D3 65,404,990 0.9647 67,798,269 18 2,573 .217893414
Random Totals: 92,431,334   94,404,317 44 2,882  
Catg D1 Exception Values: 9,017,430   10,944,545      
Catg G1 Exception Values: 275,532,207   299,093,696      
Total Test Values (4): 376,980,971   404,442,558      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 20,222,128

Confidence Interval Values (5)

Local Test Value: 376,980,971 (Outside Confidence Interval)
State Lower Limit: 384,220,430 (State Test Value minus Margin of Error Percent)
State Upper Limit: 424,664,686 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 382,136,731 (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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