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2008 Confidence Interval Detail
226/Tom Green
200-902/Miles ISD

Category Summary

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

Stratum
Variance
D3 10,371,045 0.7495 13,837,285 13 566 .120112934
Random Totals: 10,371,045   13,837,285 13 566  
Catg J Exception Values: 666,301   650,033      
Catg D1 Exception Values: 5,365,220   5,102,290      
Total Test Values (4): 16,402,566   19,589,608      

Margin of Error

Margin of Error Percent: 14.5969434
Margin of Error Value: 2,859,484

Confidence Interval Values (5)

Local Test Value: 16,402,566 (Outside Confidence Interval)
State Lower Limit: 16,730,124 (State Test Value minus Margin of Error Percent)
State Upper Limit: 22,449,092 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 22,835,362 (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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