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2008 Confidence Interval Detail
129/Kaufman
129-905/Mabank ISD

Category Summary

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

Stratum
Variance
A 134,676,093 1.0168 132,450,918 33 1,341 .002213648
C 31,082,630 0.9726 31,958,287 10 516 .135964660
D3 28,022,662 0.8801 31,840,316 11 1,080 .011645674
F1 21,640,245 0.9083 23,824,997 10 120 .009527874
Random Totals: 215,421,630   220,074,518 64 3,057  
Catg D1 Exception Values: 1,962,163   1,157,250      
Total Test Values (4): 217,383,793   221,231,768      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,061,588

Confidence Interval Values (5)

State Lower Limit: 210,170,180 (State Test Value minus Margin of Error Percent)
Local Test Value: 217,383,793 (Within Confidence Interval)
State Upper Limit: 232,293,356 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 243,203,627 (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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