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2008 Confidence Interval Detail
175/Navarro
081-905/Wortham ISD

Category Summary

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

Stratum
Variance
D3 6,058,090 0.9459 6,404,578 10 503 .076523992
Random Totals: 6,058,090   6,404,578 10 503  
Catg J Exception Values: 3,217,819   3,351,678      
Catg D1 Exception Values: 1,626,400   1,194,876      
Total Test Values (4): 10,902,309   10,951,132      

Margin of Error

Margin of Error Percent: 11.4466431
Margin of Error Value: 1,253,537

Confidence Interval Values (5)

State Lower Limit: 9,697,595 (State Test Value minus Margin of Error Percent)
Local Test Value: 10,902,309 (Within Confidence Interval)
State Upper Limit: 12,204,669 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 13,484,991 (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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