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2006 Confidence Interval Detail
148/Lipscomb
148-901/Booker ISD

Category Summary

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

Stratum
Variance
A 3,469,103 0.7064 4,910,961 7 146 .239261762
A 3,475,964 0.7016 4,954,339 6 73 .035274750
A 3,471,595 0.7686 4,516,777 6 55 .017717508
A 3,413,417 0.7416 4,602,774 6 36 .024049503
D3 5,364,664 0.8738 6,139,464 10 989 .047108376
G1 31,356,066 1.0990 28,531,452 8 110 .103436578
G1 31,104,566 1.0446 29,776,533 8 50 .034326440
G1 31,213,227 1.1875 26,284,823 7 26 .084863323
G1 31,100,750 0.8208 37,890,777 5 11 .522332949
Random Totals: 143,969,352   147,607,900 63 1,496  
Catg J Exception Values: 3,005,540   2,949,733      
Catg D1 Exception Values: 10,018,698   12,996,502      
Total Test Values (4): 156,993,590   163,554,135      

Margin of Error

Margin of Error Percent: 12.3866309
Margin of Error Value: 20,258,847

Confidence Interval Values (5)

State Lower Limit: 143,295,288 (State Test Value minus Margin of Error Percent)
Local Test Value: 156,993,590 (Within Confidence Interval)
State Upper Limit: 183,812,982 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 178,497,845 (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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