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2006 Confidence Interval Detail
038/Childress
038-901/Childress ISD

Category Summary

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

Stratum
Variance
A 18,655,826 0.8671 21,515,195 18 788 .059239416
A 18,654,108 0.9475 19,687,713 18 427 .043774210
A 18,648,906 0.9333 19,981,684 19 284 .018245810
A 18,580,445 0.9930 18,711,425 17 169 .003131074
D3 14,568,300 0.7741 18,819,662 23 2,544 .039493180
F1 6,210,444 0.6120 10,147,784 8 143 .118831924
F1 6,181,989 0.8214 7,526,161 8 29 .055094270
F1 6,265,790 0.9036 6,934,252 6 10 .037426988
L1 4,307,489 0.9815 4,388,680 8 121 .000273735
L1 4,339,440 0.9451 4,591,514 6 33 .005401063
L1 8,525,010 0.9180 9,286,503 5 8 .025912093
Random Totals: 124,937,747   141,590,573 136 4,556  
Catg J Exception Values: 20,306,648   21,467,073      
Catg D1 Exception Values: 23,792,520   23,324,261      
Catg F1 Exception Values: 6,880,900   7,317,739      
Total Test Values (4): 175,917,815   193,699,646      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,684,982

Confidence Interval Values (5)

Local Test Value: 175,917,815 (Outside Confidence Interval)
State Lower Limit: 184,014,664 (State Test Value minus Margin of Error Percent)
State Upper Limit: 203,384,628 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 162,341,335 (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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