Veteran's Day

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2007 Confidence Interval Detail
062/Dewitt
062-904/Yorktown ISD

Category Summary

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

Stratum
Variance
A 7,983,389 0.9997 7,985,785 9 351 .006705177
A 7,906,752 0.9682 8,166,445 9 213 .008159424
A 7,902,555 1.0080 7,839,836 9 161 .027557085
A 7,908,801 0.9820 8,053,769 8 99 .007303075
D3 27,933,790 0.9831 28,413,986 20 3,525 .071646312
F1 1,637,851 1.0197 1,606,209 6 56 .004828818
F1 1,600,226 0.9840 1,626,246 5 22 .004892562
F1 1,991,101 0.9299 2,141,199 4 9 .003962613
G1 6,973,700 0.9229 7,556,290 7 11 .010987267
Random Totals: 71,838,165   73,389,765 77 4,447  
Catg J Exception Values: 4,875,455   4,753,796      
Catg D1 Exception Values: 11,351,770   8,237,001      
Catg F1 Exception Values: 1,080,840   1,186,754      
Catg G1 Exception Values: 18,470,760   19,489,219      
Total Test Values (4): 107,616,990   107,056,535      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 5,352,827

Confidence Interval Values (5)

State Lower Limit: 101,703,708 (State Test Value minus Margin of Error Percent)
Local Test Value: 107,616,990 (Within Confidence Interval)
State Upper Limit: 112,409,362 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 117,954,507 (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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