Veteran's Day

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2007 Confidence Interval Detail
086/Gillespie
086-901/Fredericksburg ISD

Category Summary

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

Stratum
Variance
A 237,687,416 0.9997 237,758,744 19 1,819 .032716723
A 237,638,108 0.9423 252,189,439 24 1,288 .032271999
A 237,608,177 0.8425 282,027,510 15 984 .128576149
A 237,558,151 1.0681 222,411,901 27 623 .019589688
D3 689,485,939 0.8462 814,802,575 19 14,577 .038662437
F1 80,362,297 0.9636 83,397,984 11 389 .044663339
F1 80,146,312 0.9771 82,024,677 10 163 .031586702
F1 80,458,903 0.9531 84,418,112 9 74 .002051376
F1 79,500,032 0.9893 80,359,883 7 23 .012419104
Random Totals: 1,960,445,335   2,139,390,825 141 19,940  
Catg D1 Exception Values: 32,306,421   31,744,089      
Total Test Values (4): 1,992,751,756   2,171,134,914      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 108,556,746

Confidence Interval Values (5)

Local Test Value: 1,992,751,756 (Outside Confidence Interval)
State Lower Limit: 2,062,578,168 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,279,691,660 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,951,190,625 (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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