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2007 Confidence Interval Detail
063/Dickens
063-906/Patton Springs ISD

Category Summary

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

Stratum
Variance
D3 8,259,750 0.8075 10,228,793 23 1,428 .121167082
Random Totals: 8,259,750   10,228,793 23 1,428  
Catg J Exception Values: 685,713   721,350      
Catg D1 Exception Values: 12,751,800   12,847,857      
Total Test Values (4): 21,697,263   23,798,000      

Margin of Error

Margin of Error Percent: 6.4055551
Margin of Error Value: 1,524,394

Confidence Interval Values (5)

Local Test Value: 21,697,263 (Outside Confidence Interval)
State Lower Limit: 22,273,606 (State Test Value minus Margin of Error Percent)
State Upper Limit: 25,322,394 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 22,497,998 (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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