Veteran's Day

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2007 Confidence Interval Detail
092/Gregg
092-901/Gladewater ISD

Category Summary

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

Stratum
Variance
A 50,085,909 0.8471 59,126,324 20 1,172 .084505534
A 50,054,707 0.9588 52,205,577 19 588 .022873499
A 50,135,060 1.0156 49,364,967 17 415 .013735033
A 49,989,492 1.0101 49,489,647 24 267 .011577245
D3 75,927,478 1.0109 75,108,792 26 4,322 .091107064
F1 8,367,396 0.8668 9,653,203 10 168 .079666696
F1 8,462,794 0.8877 9,533,394 9 48 .035908579
F1 9,675,897 0.9473 10,214,185 7 16 .073641950
G1 44,665,554 1.0507 42,510,283 7 119 .010930768
G1 44,250,642 0.9883 44,774,504 6 48 .004004853
G1 45,442,978 0.9689 46,901,618 5 23 .002567939
G1 43,011,620 0.9918 43,367,231 4 11 .001447641
Random Totals: 480,069,527   492,249,725 154 7,197  
Catg D1 Exception Values: 6,232,580   5,293,328      
Catg F1 Exception Values: 6,652,380   6,954,575      
Total Test Values (4): 492,954,487   504,497,628      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 25,224,881

Confidence Interval Values (5)

State Lower Limit: 479,272,747 (State Test Value minus Margin of Error Percent)
Local Test Value: 492,954,487 (Within Confidence Interval)
State Upper Limit: 529,722,509 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 507,544,714 (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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