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2009 Confidence Interval Detail
153/Lynn
153-907/Wilson ISD

Category Summary

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

Stratum
Variance
A 2,748,690 1.0118 2,716,634 7 99 .001136032
A 2,542,600 1.0125 2,511,210 6 43 .002483424
A 2,530,330 0.9670 2,616,680 6 26 .005899522
A 2,443,890 0.9935 2,459,879 5 16 .000665122
D3 7,590,320 0.9498 7,991,493 20 833 .003661284
G1 3,215,370 0.9956 3,229,580 6 12 .001817714
Random Totals: 21,071,200   21,525,476 50 1,029  
Catg J Exception Values: 970,340   748,121      
Catg D1 Exception Values: 19,518,390   21,654,001      
Catg G1 Exception Values: 7,088,190   7,219,472      
Total Test Values (4): 48,648,120   51,147,070      

Margin of Error

Margin of Error Percent: 5.0000010
Margin of Error Value: 2,557,354

Confidence Interval Values (5)

State Lower Limit: 48,589,716 (State Test Value minus Margin of Error Percent)
Local Test Value: 48,648,120 (Within Confidence Interval)
State Upper Limit: 53,704,424 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 48,956,144 (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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