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2006 Confidence Interval Detail
008/Austin
008-902/Sealy ISD

Category Summary

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

Stratum
Variance
A 80,974,172 0.8984 90,131,536 19 1,054 .052368853
A 80,876,928 0.9946 81,316,035 17 635 .011716362
A 80,921,619 1.0317 78,435,222 25 438 .019722441
A 80,835,779 1.0165 79,523,639 33 278 .009813533
D3 120,566,686 1.0093 119,455,748 29 5,900 .050763015
F1 16,490,650 0.9645 17,097,615 7 141 .005725043
F1 16,325,190 0.8507 19,190,302 6 53 .041785483
F1 16,985,843 0.9663 17,578,229 6 24 .000995160
F1 15,824,794 0.9112 17,366,982 4 7 .002626048
G1 73,260,250 1.0239 71,550,200 8 46 .009814832
Random Totals: 583,061,911   591,645,508 154 8,576  
Catg J Exception Values: 27,331,909   31,453,873      
Catg D1 Exception Values: 13,629,140   12,409,513      
Total Test Values (4): 624,022,960   635,508,894      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 31,775,445

Confidence Interval Values (5)

State Lower Limit: 603,733,449 (State Test Value minus Margin of Error Percent)
Local Test Value: 624,022,960 (Within Confidence Interval)
State Upper Limit: 667,284,339 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 885,363,669 (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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