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2010 Confidence Interval Detail
025/Brown
025-904/Blanket ISD

Category Summary

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

Stratum
Variance
A 1,796,390 1.0244 1,753,602 18 81 .008346807
A 1,773,910 0.9586 1,850,522 19 43 .025566233
A 1,784,600 0.9583 1,862,256 17 30 .008896708
A 1,896,500 0.9493 1,997,788 13 19 .007628880
D3 21,309,890 0.9727 21,907,978 33 1,006 .010934184
Random Totals: 28,561,290   29,372,146 100 1,179  
Catg J Exception Values: 2,398,070   2,272,918      
Catg D1 Exception Values: 3,493,112   3,450,461      
Total Test Values (4): 34,452,472   35,095,525      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,754,776

Confidence Interval Values (5)

State Lower Limit: 33,340,749 (State Test Value minus Margin of Error Percent)
Local Test Value: 34,452,472 (Within Confidence Interval)
State Upper Limit: 36,850,301 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 30,866,485 (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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