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2008 Confidence Interval Detail
080/Franklin
250-907/Winnsboro ISD

Category Summary

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

Stratum
Variance
A 27,874,920 1.0573 26,364,249 14 427 .035410582
D3 19,505,300 1.1319 17,232,353 10 806 .126560237
F1 3,671,170 0.9957 3,687,024 10 27 .011059216
L1 3,092,730 1.0081 3,067,880 10 48 .012218529
Random Totals: 54,144,120   50,351,506 44 1,308  
Catg D1 Exception Values: 1,486,390   1,228,746      
Total Test Values (4): 55,630,510   51,580,252      

Margin of Error

Margin of Error Percent: 9.1259965
Margin of Error Value: 4,707,212

Confidence Interval Values (5)

State Lower Limit: 46,873,040 (State Test Value minus Margin of Error Percent)
Local Test Value: 55,630,510 (Within Confidence Interval)
State Upper Limit: 56,287,464 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 65,835,513 (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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