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2008 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 11,510,381 0.8133 14,152,688 9 241 .312129814
A 11,026,294 0.9392 11,740,092 9 130 .012934704
A 13,779,677 0.9922 13,888,003 10 119 .006776452
A 9,698,475 0.9803 9,893,374 8 56 .015196062
D3 21,555,374 1.0854 19,859,383 20 767 .138442250
Random Totals: 67,570,201   69,533,540 56 1,313  
Catg J Exception Values: 8,598,167   8,935,401      
Catg D1 Exception Values: 3,048,885   3,076,956      
Catg G1 Exception Values: 4,860   4,997      
Total Test Values (4): 79,222,113   81,550,894      

Margin of Error

Margin of Error Percent: 7.7001179
Margin of Error Value: 6,279,515

Confidence Interval Values (5)

State Lower Limit: 75,271,379 (State Test Value minus Margin of Error Percent)
Local Test Value: 79,222,113 (Within Confidence Interval)
State Upper Limit: 87,830,409 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 87,053,098 (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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