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2010 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 11,538,657 0.9900 11,655,209 10 228 .013431298
A 11,267,587 0.9286 12,133,951 10 127 .006447609
A 11,213,253 0.9437 11,882,222 9 98 .002220242
A 12,368,187 1.0010 12,355,831 9 72 .006633933
D3 19,371,577 0.9529 20,329,077 15 809 .004085906
Random Totals: 65,759,261   68,356,290 53 1,334  
Catg J Exception Values: 8,750,023   9,245,592      
Catg D1 Exception Values: 2,624,876   2,751,818      
Total Test Values (4): 77,134,160   80,353,700      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,017,685

Confidence Interval Values (5)

State Lower Limit: 76,336,015 (State Test Value minus Margin of Error Percent)
Local Test Value: 77,134,160 (Within Confidence Interval)
State Upper Limit: 84,371,385 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 85,333,053 (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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