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2007 Confidence Interval Detail
062/Dewitt
062-903/Yoakum ISD

Category Summary

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

Stratum
Variance
A 20,937,739 0.9978 20,983,904 13 766 .017148045
A 20,924,525 0.9133 22,910,900 9 430 .056748429
A 20,951,530 0.9746 21,497,568 8 274 .000822420
A 20,800,361 0.9436 22,043,621 7 150 .039746024
D3 93,207,425 0.9697 96,119,857 20 5,297 .017590204
F1 5,429,783 0.9536 5,693,984 7 137 .004386113
F1 5,603,954 0.9918 5,650,286 6 47 .001509747
F1 5,603,499 0.9177 6,106,025 4 11 .043172408
F1 5,079,687 0.9560 5,313,480 3 4 .003681620
G1 16,599,670 0.9056 18,330,024 6 29 .011304769
G1 17,762,109 0.9069 19,585,521 4 10 .074929658
G1 17,508,528 1.0340 16,932,812 3 5 .007339597
L1 4,412,452 1.0140 4,351,531 8 136 .010925345
L1 4,479,277 1.0333 4,334,924 6 34 .001729774
L1 4,376,965 0.9177 4,769,494 5 14 .004495753
L1 4,228,991 0.9827 4,303,441 3 6 .029137593
Random Totals: 267,906,495   278,927,372 112 7,350  
Catg J Exception Values: 7,071,754   6,918,253      
Catg D1 Exception Values: 12,839,120   9,381,480      
Catg G1 Exception Values: 12,530,120   12,925,418      
Total Test Values (4): 300,347,489   308,152,523      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 15,407,626

Confidence Interval Values (5)

State Lower Limit: 292,744,897 (State Test Value minus Margin of Error Percent)
Local Test Value: 300,347,489 (Within Confidence Interval)
State Upper Limit: 323,560,149 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 332,258,250 (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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