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2006 Confidence Interval Detail
148/Lipscomb
148-905/Darrouzett ISD

Category Summary

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

Stratum
Variance
D3 2,842,342 0.8718 3,260,314 10 664 .015531818
G1 44,761,145 1.2302 36,385,258 15 125 .085679291
G1 43,967,615 1.0256 42,870,139 15 54 .046514036
G1 44,500,668 1.1844 37,572,330 13 31 .037501251
G1 44,158,143 1.1259 39,220,306 9 15 .282088383
Random Totals: 180,229,913   159,308,347 62 889  
Catg J Exception Values: 664,843   626,334      
Catg D1 Exception Values: 5,858,342   7,437,561      
Total Test Values (4): 186,753,098   167,372,242      

Margin of Error

Margin of Error Percent: 6.8057946
Margin of Error Value: 11,391,011

Confidence Interval Values (5)

State Lower Limit: 155,981,231 (State Test Value minus Margin of Error Percent)
State Upper Limit: 178,763,253 (State Test Value plus Margin of Error Percent)
Local Test Value: 186,753,098 (Outside Confidence Interval)
Value Assigned (6): 213,366,396 (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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