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2009 Confidence Interval Detail
014/Bell
246-902/Florence ISD

Category Summary

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

Stratum
Variance
A 3,258,039 0.9589 3,397,684 6 63 .015242339
A 2,995,453 0.9705 3,086,505 6 33 .009890561
A 3,147,320 0.8955 3,514,595 5 25 .026281846
A 3,485,552 1.0314 3,379,438 5 15 .005767857
D3 25,787,166 1.0225 25,219,722 31 782 .023469230
Random Totals: 38,673,530   38,597,944 53 918  
Catg D1 Exception Values: 1,118,149   1,094,913      
Total Test Values (4): 39,791,679   39,692,857      

Margin of Error

Margin of Error Percent: 5.0000004
Margin of Error Value: 1,984,643

Confidence Interval Values (5)

State Lower Limit: 37,708,214 (State Test Value minus Margin of Error Percent)
Local Test Value: 39,791,679 (Within Confidence Interval)
State Upper Limit: 41,677,500 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 39,350,567 (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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