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2006 Confidence Interval Detail
148/Lipscomb
148-903/Higgins ISD

Category Summary

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

Stratum
Variance
D3 3,666,111 0.8632 4,247,117 11 629 .085368502
G1 35,558,725 0.9889 35,957,857 15 76 .141240209
G1 36,116,255 1.1307 31,941,501 12 30 .091586423
G1 36,181,815 1.1327 31,942,981 9 17 .078710089
G1 34,164,811 1.1818 28,909,131 7 10 .064285858
Random Totals: 145,687,717   132,998,587 54 762  
Catg J Exception Values: 7,854,636   7,783,862      
Catg D1 Exception Values: 5,966,750   6,988,567      
Total Test Values (4): 159,509,103   147,771,016      

Margin of Error

Margin of Error Percent: 6.2455083
Margin of Error Value: 9,229,051

Confidence Interval Values (5)

State Lower Limit: 138,541,965 (State Test Value minus Margin of Error Percent)
State Upper Limit: 157,000,067 (State Test Value plus Margin of Error Percent)
Local Test Value: 159,509,103 (Outside Confidence Interval)
Value Assigned (6): 182,199,267 (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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