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2008 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 23,519,807 0.9242 25,448,828 8 395 .055336108
A 24,946,550 0.8916 27,979,531 8 238 .015804618
A 24,559,503 0.9633 25,495,176 8 165 .004111855
A 26,575,390 0.9802 27,112,212 9 119 .003124082
D3 48,224,855 1.0065 47,913,418 20 1,749 .065654922
Random Totals: 147,826,105   153,949,165 53 2,666  
Catg D1 Exception Values: 5,142,140   3,388,409      
Total Test Values (4): 152,968,245   157,337,574      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 7,866,879

Confidence Interval Values (5)

State Lower Limit: 149,470,695 (State Test Value minus Margin of Error Percent)
Local Test Value: 152,968,245 (Within Confidence Interval)
State Upper Limit: 165,204,453 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 160,302,215 (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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