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2008 Confidence Interval Detail
072/Erath
111-902/Lipan ISD

Category Summary

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

Stratum
Variance
D3 7,013,600 1.0642 6,590,491 10 243 .004475493
G1 8,407,770 1.0125 8,303,970 10 30 .021919029
Random Totals: 15,421,370   14,894,461 20 273  
Catg J Exception Values: 1,910   1,883      
Catg D1 Exception Values: 1,933,170   1,366,013      
Total Test Values (4): 17,356,450   16,262,357      

Margin of Error

Margin of Error Percent: 5.0000009
Margin of Error Value: 813,118

Confidence Interval Values (5)

State Lower Limit: 15,449,239 (State Test Value minus Margin of Error Percent)
State Upper Limit: 17,075,475 (State Test Value plus Margin of Error Percent)
Local Test Value: 17,356,450 (Outside Confidence Interval)
Value Assigned (6): 22,717,655 (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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