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2007 Confidence Interval Detail
129/Kaufman
129-910/Scurry-Rosser ISD

Category Summary

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

Stratum
Variance
A 23,920,522 0.9986 23,954,058 10 342 .051306182
A 23,999,673 0.9291 25,831,098 10 200 .021671326
A 23,937,524 0.9485 25,237,242 9 142 .011087481
A 23,738,325 0.9736 24,382,010 9 95 .003978381
D3 46,362,209 1.0839 42,773,511 20 1,742 .014657104
Random Totals: 141,958,253   142,177,919 58 2,521  
Catg D1 Exception Values: 5,139,740   3,382,442      
Total Test Values (4): 147,097,993   145,560,361      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,278,018

Confidence Interval Values (5)

State Lower Limit: 138,282,343 (State Test Value minus Margin of Error Percent)
Local Test Value: 147,097,993 (Within Confidence Interval)
State Upper Limit: 152,838,379 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 153,970,118 (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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