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2006 Confidence Interval Detail
166/Milam
166-901/Cameron ISD

Category Summary

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

Stratum
Variance
A 23,744,757 1.1102 21,387,819 15 838 .069601542
A 23,770,250 0.9926 23,947,461 17 439 .008575933
A 23,624,064 0.9916 23,824,187 16 276 .004047269
A 23,674,139 0.9719 24,358,616 15 161 .009600590
D3 68,690,562 1.0045 68,382,839 20 4,558 .032731008
F1 9,074,200 0.9710 9,345,211 7 155 .042582578
F1 9,052,233 0.9276 9,758,768 6 49 .021511757
F1 9,372,817 0.9475 9,892,155 8 22 .045963280
F1 8,481,212 0.9867 8,595,533 3 5 .011156014
L1 3,432,389 1.0287 3,336,628 7 177 .041962563
L1 3,373,828 1.0873 3,102,941 6 40 .034408656
L1 3,910,769 0.8835 4,426,450 5 16 .013393994
L1 2,833,039 1.0016 2,828,513 3 4 .000419268
Random Totals: 213,034,259   213,187,121 128 6,740  
Catg J Exception Values: 17,364,022   19,193,138      
Catg D1 Exception Values: 25,363,070   24,732,846      
Total Test Values (4): 255,761,351   257,113,105      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,855,655

Confidence Interval Values (5)

State Lower Limit: 244,257,450 (State Test Value minus Margin of Error Percent)
Local Test Value: 255,761,351 (Within Confidence Interval)
State Upper Limit: 269,968,760 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 260,933,729 (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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