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2006 Confidence Interval Detail
062/Dewitt
062-904/Yorktown ISD

Category Summary

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

Stratum
Variance
A 7,876,033 0.9653 8,159,156 9 348 .004227615
A 7,860,058 0.9107 8,630,787 9 213 .033819075
A 7,834,996 1.0011 7,826,387 9 162 .003992298
A 7,850,198 0.9534 8,233,898 8 102 .010132146
D3 25,141,820 0.9813 25,620,931 20 3,493 .098638086
F1 1,550,973 0.9391 1,651,553 6 56 .008754532
F1 1,546,219 1.0613 1,456,910 5 22 .026310103
F1 1,813,825 0.9609 1,887,631 4 8 .002668815
G1 25,305,811 0.9668 26,174,815 18 50 .090584054
Random Totals: 86,779,933   89,642,068 88 4,454  
Catg J Exception Values: 5,091,569   5,134,021      
Catg D1 Exception Values: 11,349,730   8,436,976      
Catg F1 Exception Values: 1,080,840   1,164,731      
Total Test Values (4): 104,302,072   104,377,796      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 5,218,890

Confidence Interval Values (5)

State Lower Limit: 99,158,906 (State Test Value minus Margin of Error Percent)
Local Test Value: 104,302,072 (Within Confidence Interval)
State Upper Limit: 109,596,686 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 112,250,867 (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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