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2009 Confidence Interval Detail
212/Smith
212-910/Winona ISD

Category Summary

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

Stratum
Variance
A 19,640,001 1.0392 18,899,154 10 475 .033217632
A 19,363,362 0.9308 20,802,924 9 299 .010059233
A 17,178,101 0.8926 19,245,016 8 202 .050025467
A 18,902,060 0.9753 19,380,765 7 141 .005184452
D3 75,250,589 0.9533 78,936,944 22 3,207 .023570184
F1 8,378,332 0.9726 8,614,366 7 52 .010039988
F1 7,790,637 0.9777 7,968,331 7 16 .000443020
F1 7,469,039 1.0369 7,203,239 4 7 .008704265
G1 37,776,765 1.0793 35,001,172 12 36 .003582274
L1 7,289,653 1.0643 6,849,246 6 51 .003246506
L1 4,817,890 0.9654 4,990,563 4 10 .001815473
Random Totals: 223,856,429   227,891,720 96 4,496  
Catg J Exception Values: 10,244,104   9,930,815      
Catg D1 Exception Values: 8,715,165   7,784,750      
Catg F1 Exception Values: 7,181,800   6,645,271      
Catg G1 Exception Values: 19,049,999   19,860,592      
Catg L1 Exception Values: 9,512,111   9,436,559      
Total Test Values (4): 278,559,608   281,549,707      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 14,077,485

Confidence Interval Values (5)

State Lower Limit: 267,472,222 (State Test Value minus Margin of Error Percent)
Local Test Value: 278,559,608 (Within Confidence Interval)
State Upper Limit: 295,627,192 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 327,986,821 (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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