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2006 Confidence Interval Detail
008/Austin
008-903/Brazos ISD

Category Summary

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

Stratum
Variance
A 79,915,974 0.9926 80,511,761 18 1,329 .009937496
D3 42,589,058 0.9630 44,225,398 15 2,613 .012891768
G1 46,775,359 0.9637 48,537,262 5 23 .008144977
G1 42,338,110 1.0317 41,037,230 4 9 .008776634
G1 49,420,370 0.9925 49,793,824 3 6 .009762054
G1 38,035,400 0.9832 38,685,313 2 3 .012175777
Random Totals: 299,074,271   302,790,788 47 3,983  
Catg J Exception Values: 19,234,399   21,166,745      
Catg D1 Exception Values: 12,338,300   13,561,529      
Total Test Values (4): 330,646,970   337,518,542      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,875,927

Confidence Interval Values (5)

State Lower Limit: 320,642,615 (State Test Value minus Margin of Error Percent)
Local Test Value: 330,646,970 (Within Confidence Interval)
State Upper Limit: 354,394,469 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 346,553,653 (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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