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2007 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 16,425,707 1.0417 15,768,174 15 461 .043925684
A 16,324,574 1.0314 15,827,588 18 252 .055624601
A 16,347,171 1.0248 15,951,572 15 177 .030631704
A 16,340,910 0.9739 16,778,838 18 112 .052941987
D3 44,280,766 0.9731 45,504,846 21 1,956 .059137783
F1 1,888,130 0.7800 2,420,679 6 56 .143148757
F1 1,801,871 0.8790 2,049,910 6 20 .029176465
F1 1,810,962 0.7821 2,315,512 4 10 .169674538
F1 1,824,402 0.9920 1,839,115 3 4 .016957610
G1 19,399,973 0.9965 19,468,111 8 39 .001523868
Random Totals: 136,444,466   137,924,345 114 3,087  
Catg D1 Exception Values: 3,499,995   2,889,494      
Catg G1 Exception Values: 5,448,096   5,496,025      
Total Test Values (4): 145,392,557   146,309,864      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,315,493

Confidence Interval Values (5)

State Lower Limit: 138,994,371 (State Test Value minus Margin of Error Percent)
Local Test Value: 145,392,557 (Within Confidence Interval)
State Upper Limit: 153,625,357 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 124,904,338 (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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