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2008 Confidence Interval Detail
230/Upshur
230-904/Union Hill ISD

Category Summary

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

Stratum
Variance
A 3,952,060 1.0733 3,682,158 7 88 .031539134
A 5,851,760 1.0482 5,582,675 6 83 .006690532
A 6,013,550 1.0288 5,845,208 6 60 .008685997
A 7,335,640 0.9281 7,903,933 6 51 .004382264
D3 41,647,988 1.0195 40,851,386 20 1,601 .006457029
G1 19,836,009 0.9771 20,300,900 12 38 .006807382
Random Totals: 84,637,007   84,166,260 57 1,921  
Catg D1 Exception Values: 3,322,776   3,147,707      
Catg G1 Exception Values: 5,229,629   5,049,037      
Total Test Values (4): 93,189,412   92,363,004      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,618,150

Confidence Interval Values (5)

State Lower Limit: 87,744,854 (State Test Value minus Margin of Error Percent)
Local Test Value: 93,189,412 (Within Confidence Interval)
State Upper Limit: 96,981,154 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 80,425,294 (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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