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2006 Confidence Interval Detail
217/Stonewall
217-901/Aspermont Cons ISD

Category Summary

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

Stratum
Variance
A 2,526,640 0.8974 2,815,511 7 216 .058094551
A 2,538,590 1.0490 2,420,010 10 111 .024875619
A 2,527,039 1.0640 2,375,037 8 72 .013917170
A 2,497,323 1.1695 2,135,377 6 38 .008686998
D3 9,634,063 0.8469 11,375,680 14 3,025 .078038339
G1 23,702,210 1.0491 22,592,899 6 84 .026863075
G1 23,362,190 1.0515 22,217,965 6 26 .039711978
G1 25,515,961 0.9641 26,466,094 4 11 .011133926
G1 20,166,432 0.9829 20,517,277 2 3 .000006581
Random Totals: 112,470,448   112,915,850 63 3,586  
Catg J Exception Values: 3,543,893   3,609,807      
Catg D1 Exception Values: 20,636,200   21,709,914      
Total Test Values (4): 136,650,541   138,235,571      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 6,911,779

Confidence Interval Values (5)

State Lower Limit: 131,323,792 (State Test Value minus Margin of Error Percent)
Local Test Value: 136,650,541 (Within Confidence Interval)
State Upper Limit: 145,147,350 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 145,385,805 (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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