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2008 Confidence Interval Detail
083/Gaines
083-902/Loop ISD

Category Summary

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

Stratum
Variance
D3 12,243,642 0.6385 19,175,634 10 1,158 .131653925
G1 57,055,673 0.9974 57,204,404 13 40 .003028326
Random Totals: 69,299,315   76,380,038 23 1,198  
Catg D1 Exception Values: 16,661,207   38,364,907      
Catg G1 Exception Values: 364,308,551   366,803,900      
Total Test Values (4): 450,269,073   481,548,845      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 24,077,442

Confidence Interval Values (5)

Local Test Value: 450,269,073 (Outside Confidence Interval)
State Lower Limit: 457,471,403 (State Test Value minus Margin of Error Percent)
State Upper Limit: 505,626,287 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 512,873,705 (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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