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2011 Confidence Interval Detail
081/Freestone
081-902/Fairfield ISD

Category Summary

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

Stratum
Variance
A 60,268,180 1.0466 57,584,732 11 1,003 .010276845
A 58,544,990 1.0025 58,398,993 11 508 .005471358
A 66,823,100 0.9641 69,311,378 11 317 .003818653
A 63,876,270 0.9793 65,226,458 10 114 .000761441
D3 169,443,630 0.9429 179,704,773 15 7,187 .012069804
G1 95,580,310 0.9963 95,935,271 12 333 .018082740
G1 95,930,770 1.0449 91,808,565 9 155 .007142702
G1 96,298,580 1.0251 93,940,669 10 87 .003380592
G1 94,335,210 1.0208 92,413,019 7 25 .001376071
Random Totals: 801,101,040   804,323,858 96 9,729  
Catg J Exception Values: 2,398,141   3,287,341      
Catg D1 Exception Values: 16,259,840   14,764,768      
Total Test Values (4): 819,759,021   822,375,967      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 41,118,798

Confidence Interval Values (5)

State Lower Limit: 781,257,169 (State Test Value minus Margin of Error Percent)
Local Test Value: 819,759,021 (Within Confidence Interval)
State Upper Limit: 863,494,765 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,824,017,252 (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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