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2010 Confidence Interval Detail
230/Upshur
230-906/New Diana ISD

Category Summary

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

Stratum
Variance
A 20,861,448 0.8932 23,355,853 10 329 .006616704
A 20,706,740 0.9985 20,737,847 10 196 .003885871
A 23,137,900 1.0350 22,355,459 9 145 .003075303
A 20,394,430 1.0000 20,394,430 9 86 .001430107
D3 69,453,715 1.1859 58,566,249 20 1,919 .130696718
Random Totals: 154,554,233   145,409,838 58 2,675  
Catg J Exception Values: 1,312,539   1,341,888      
Catg D1 Exception Values: 2,248,278   2,178,040      
Total Test Values (4): 158,115,050   148,929,766      

Margin of Error

Margin of Error Percent: 6.4436118
Margin of Error Value: 9,596,456

Confidence Interval Values (5)

State Lower Limit: 139,333,310 (State Test Value minus Margin of Error Percent)
Local Test Value: 158,115,050 (Within Confidence Interval)
State Upper Limit: 158,526,222 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 155,512,841 (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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