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2006 Confidence Interval Detail
152/Lubbock
152-902/New Deal ISD

Category Summary

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

Stratum
Variance
A 12,065,591 0.8225 14,669,412 13 391 .091982611
A 11,997,138 0.9006 13,321,272 13 175 .029727450
A 12,009,101 0.8861 13,552,760 13 118 .017043470
A 12,013,518 1.0059 11,943,054 11 74 .007306351
D3 18,106,995 0.9621 18,820,284 24 918 .085500300
G1 5,595,503 1.0300 5,432,527 6 13 .008366749
Random Totals: 71,787,846   77,739,309 80 1,689  
Catg J Exception Values: 6,320,429   6,884,132      
Catg D1 Exception Values: 17,794,245   10,943,843      
Catg G1 Exception Values: 7,216,673   7,153,740      
Total Test Values (4): 103,119,193   102,721,024      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,136,051

Confidence Interval Values (5)

State Lower Limit: 97,584,973 (State Test Value minus Margin of Error Percent)
Local Test Value: 103,119,193 (Within Confidence Interval)
State Upper Limit: 107,857,075 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 140,941,930 (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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