Veteran's Day

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2009 Confidence Interval Detail
172/Morris
172-905/Pewitt ISD

Category Summary

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

Stratum
Variance
A 17,380,700 0.8918 19,489,460 17 457 .030332650
A 16,887,300 0.9870 17,109,726 15 261 .035831231
A 16,727,790 1.0147 16,485,454 16 177 .032819093
A 17,322,760 1.0175 17,024,826 15 114 .008888247
D3 61,343,900 0.9082 67,544,484 24 2,104 .140743619
F1 3,048,500 1.0213 2,984,921 6 65 .009784796
F1 2,906,920 0.9202 3,159,009 6 19 .066205284
F1 2,382,980 0.9111 2,615,498 3 5 .000755515
F1 4,331,330 0.9454 4,581,479 3 6 .019926656
Random Totals: 142,332,180   150,994,857 105 3,208  
Catg J Exception Values: 12,980,734   13,292,490      
Catg D1 Exception Values: 6,060,800   5,775,299      
Total Test Values (4): 161,373,714   170,062,646      

Margin of Error

Margin of Error Percent: 6.2394325
Margin of Error Value: 10,610,944

Confidence Interval Values (5)

State Lower Limit: 159,451,702 (State Test Value minus Margin of Error Percent)
Local Test Value: 161,373,714 (Within Confidence Interval)
State Upper Limit: 180,673,590 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 163,724,784 (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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