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2010 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 191,340,830 0.9736 196,529,201 15 1,450 .026103331
A 207,719,580 0.9546 217,598,554 17 1,138 .015337582
A 207,869,390 1.0123 205,343,663 17 933 .013385463
A 222,178,800 0.9881 224,854,569 15 691 .018458809
D3 60,282,730 0.9578 62,938,745 15 2,119 .002972342
Random Totals: 889,391,330   907,264,732 79 6,331  
Catg J Exception Values: 22,844,000   23,961,041      
Catg D1 Exception Values: 2,706,110   2,951,742      
Total Test Values (4): 914,941,440   934,177,515      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 46,708,876

Confidence Interval Values (5)

State Lower Limit: 887,468,639 (State Test Value minus Margin of Error Percent)
Local Test Value: 914,941,440 (Within Confidence Interval)
State Upper Limit: 980,886,391 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,924,703,552 (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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