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2008 Confidence Interval Detail
230/Upshur
230-903/Ore City ISD

Category Summary

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

Stratum
Variance
A 10,387,810 1.1669 8,902,057 16 290 .072570763
A 12,678,020 1.0887 11,645,100 15 199 .020092177
A 14,662,990 0.9967 14,711,538 15 166 .021306802
A 23,298,400 0.9866 23,614,839 15 171 .023014895
D3 43,140,111 0.8973 48,077,690 20 1,697 .040417811
G1 21,289,125 1.0130 21,015,918 8 39 .000423730
Random Totals: 125,456,456   127,967,142 89 2,562  
Catg D1 Exception Values: 3,169,791   2,753,719      
Total Test Values (4): 128,626,247   130,720,861      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,536,043

Confidence Interval Values (5)

State Lower Limit: 124,184,818 (State Test Value minus Margin of Error Percent)
Local Test Value: 128,626,247 (Within Confidence Interval)
State Upper Limit: 137,256,904 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 127,330,723 (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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