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2008 Confidence Interval Detail
166/Milam
166-903/Milano ISD

Category Summary

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

Stratum
Variance
A 2,693,770 0.9445 2,852,059 10 110 .053886191
A 2,764,860 1.0646 2,597,088 7 60 .006890385
A 2,464,920 1.0948 2,251,480 6 36 .033396845
A 3,628,555 0.9833 3,690,181 9 32 .055977605
D3 46,708,878 0.9230 50,605,502 30 2,247 .107011803
Random Totals: 58,260,983   61,996,310 62 2,485  
Catg J Exception Values: 11,755,116   11,771,234      
Catg D1 Exception Values: 5,533,640   5,171,197      
Total Test Values (4): 75,549,739   78,938,741      

Margin of Error

Margin of Error Percent: 7.6609481
Margin of Error Value: 6,047,456

Confidence Interval Values (5)

State Lower Limit: 72,891,285 (State Test Value minus Margin of Error Percent)
Local Test Value: 75,549,739 (Within Confidence Interval)
State Upper Limit: 84,986,197 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 78,217,148 (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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