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2011 Confidence Interval Detail
081/Freestone
145-901/Buffalo ISD

Category Summary

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

Stratum
Variance
D3 22,900,120 1.0160 22,539,488 15 1,247 .008647143
G1 9,327,291 0.9712 9,603,883 6 18 .007154691
G1 7,948,870 1.0331 7,694,192 4 7 .001322174
G1 10,267,610 1.0150 10,115,872 3 5 .000354652
G1 6,951,700 0.9559 7,272,413 2 3 .000073420
Random Totals: 57,395,591   57,225,848 30 1,280  
Catg J Exception Values: 59,423   53,932      
Catg D1 Exception Values: 2,285,410   2,038,173      
Total Test Values (4): 59,740,424   59,317,953      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 2,965,898

Confidence Interval Values (5)

State Lower Limit: 56,352,055 (State Test Value minus Margin of Error Percent)
Local Test Value: 59,740,424 (Within Confidence Interval)
State Upper Limit: 62,283,851 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 112,437,495 (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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