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2008 Confidence Interval Detail
048/Concho
048-901/Eden CISD

Category Summary

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

Stratum
Variance
A 4,028,850 0.9376 4,296,982 11 232 .004581297
A 3,996,920 0.8466 4,721,143 11 119 .055450317
A 4,037,390 0.9352 4,317,141 12 77 .009819110
A 4,045,780 0.9695 4,173,058 10 47 .005571725
D3 18,348,500 0.8552 21,455,215 27 2,750 .094643324
G1 10,321,763 1.0245 10,074,927 6 32 .044144429
G1 10,467,220 0.9950 10,519,819 4 11 .000334875
G1 10,501,834 1.2080 8,693,571 3 4 .079927415
Random Totals: 65,748,257   68,251,856 84 3,272  
Catg D1 Exception Values: 26,869,280   27,461,795      
Catg G1 Exception Values: 22,582,606   23,499,457      
Total Test Values (4): 115,200,143   119,213,108      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,960,655

Confidence Interval Values (5)

State Lower Limit: 113,252,453 (State Test Value minus Margin of Error Percent)
Local Test Value: 115,200,143 (Within Confidence Interval)
State Upper Limit: 125,173,763 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 160,618,898 (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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