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2006 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 19,265,612 1.0219 18,852,737 10 279 .095137197
A 19,163,612 0.9816 19,522,832 9 157 .006648559
A 19,111,446 0.9544 20,024,566 11 111 .019399341
A 19,129,999 1.0160 18,828,739 14 77 .006433045
D3 54,558,270 0.9336 58,438,593 21 1,981 .022415775
Random Totals: 131,228,939   135,667,467 65 2,605  
Catg D1 Exception Values: 5,200,520   3,377,982      
Total Test Values (4): 136,429,459   139,045,449      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,952,272

Confidence Interval Values (5)

State Lower Limit: 132,093,177 (State Test Value minus Margin of Error Percent)
Local Test Value: 136,429,459 (Within Confidence Interval)
State Upper Limit: 145,997,721 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 145,061,680 (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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