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2008 Confidence Interval Detail
226/Tom Green
226-908/Veribest ISD

Category Summary

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

Stratum
Variance
A 1,712,800 1.0348 1,655,199 8 35 .007328766
A 3,890,300 1.0622 3,662,493 8 55 .017648474
A 4,709,050 1.0871 4,331,754 8 52 .006562113
A 12,296,450 1.0936 11,244,011 21 89 .012813374
D3 15,851,275 0.7635 20,761,329 35 995 .185483989
L1 2,042,346 1.0332 1,976,719 6 20 .005095288
Random Totals: 40,502,221   43,631,505 86 1,246  
Catg J Exception Values: 2,936,133   2,840,414      
Catg D1 Exception Values: 11,108,540   10,708,086      
Catg L1 Exception Values: 6,744,398   7,105,153      
Total Test Values (4): 61,291,292   64,285,158      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 3,214,258

Confidence Interval Values (5)

State Lower Limit: 61,070,900 (State Test Value minus Margin of Error Percent)
Local Test Value: 61,291,292 (Within Confidence Interval)
State Upper Limit: 67,499,416 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 68,133,236 (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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