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2008 Confidence Interval Detail
251/Yoakum
251-901/Denver City ISD

Category Summary

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

Stratum
Variance
A 14,018,486 0.4649 30,153,766 7 598 .280147516
A 14,955,645 0.5868 25,486,784 8 372 .091939752
A 14,531,361 0.6281 23,135,426 7 236 .036986987
A 19,878,040 0.6877 28,905,104 7 183 .059807432
G1 162,578,665 0.9982 162,871,834 6 11 .000050161
G1 213,097,568 0.9973 213,674,489 2 3 .000004000
Random Totals: 439,059,765   484,227,403 37 1,403  
Catg D1 Exception Values: 15,088,178   19,059,048      
Catg G1 Exception Values: 714,522,019   715,008,661      
Total Test Values (4): 1,168,669,962   1,218,295,112      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 60,914,756

Confidence Interval Values (5)

State Lower Limit: 1,157,380,356 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,168,669,962 (Within Confidence Interval)
State Upper Limit: 1,279,209,868 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,266,073,100 (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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