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2011 Confidence Interval Detail
212/Smith
234-906/Van ISD

Category Summary

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

Stratum
Variance
A 7,230,298 0.8270 8,742,803 8 190 .036388682
A 6,657,079 0.9729 6,842,511 8 77 .061551069
A 7,081,519 1.0023 7,065,269 7 44 .007510761
A 7,530,759 0.9843 7,650,878 7 21 .001938286
D3 43,849,330 0.9812 44,689,492 16 1,475 .176865379
Random Totals: 72,348,985   74,990,953 46 1,807  
Catg D1 Exception Values: 2,769,583   2,071,898      
Total Test Values (4): 75,118,568   77,062,851      

Margin of Error

Margin of Error Percent: 12.4169906
Margin of Error Value: 9,568,887

Confidence Interval Values (5)

State Lower Limit: 67,493,964 (State Test Value minus Margin of Error Percent)
Local Test Value: 75,118,568 (Within Confidence Interval)
State Upper Limit: 86,631,738 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 67,508,118 (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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