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2012 Confidence Interval Detail
036/Chambers
036-902/Barbers Hill ISD

Category Summary

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

Stratum
Variance
A 213,271,780 1.0374 205,582,977 11 1,605 .008681258
A 225,317,590 0.9338 241,291,058 12 1,244 .007545300
A 217,903,090 0.9526 228,745,633 14 978 .007722785
A 215,825,340 0.9655 223,537,380 10 665 .012361007
Random Totals: 872,317,800   899,157,048 47 4,492  
Catg J Exception Values: 21,966,266   22,996,635      
Catg D1 Exception Values: 1,752,430   2,065,724      
Total Test Values (4): 896,036,496   924,219,407      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 46,210,970

Confidence Interval Values (5)

State Lower Limit: 878,008,437 (State Test Value minus Margin of Error Percent)
Local Test Value: 896,036,496 (Within Confidence Interval)
State Upper Limit: 970,430,377 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 4,032,104,594 (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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