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2006 Confidence Interval Detail
118/Irion
118-902/Irion County ISD

Category Summary

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

Stratum
Variance
A 6,896,257 0.8714 7,913,997 7 218 .015482062
A 6,856,064 0.9501 7,216,150 10 112 .007612791
A 6,909,728 0.9093 7,598,953 6 76 .001087603
A 6,836,854 0.8981 7,612,575 7 48 .000925146
D3 8,421,950 0.6531 12,895,345 20 2,309 .168187567
G1 70,992,028 1.0320 68,790,725 15 295 .011696843
G1 71,554,351 1.0167 70,379,021 15 109 .013999725
G1 71,722,071 1.0174 70,495,450 14 32 .010734817
Random Totals: 250,189,303   252,902,216 94 3,199  
Catg J Exception Values: 6,074,640   5,752,833      
Catg D1 Exception Values: 15,845,700   15,666,662      
Catg G1 Exception Values: 39,710,979   36,819,728      
Total Test Values (4): 311,820,622   311,141,439      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,557,072

Confidence Interval Values (5)

State Lower Limit: 295,584,367 (State Test Value minus Margin of Error Percent)
Local Test Value: 311,820,622 (Within Confidence Interval)
State Upper Limit: 326,698,511 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 390,799,810 (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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