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2007 Confidence Interval Detail
205/San Patricio
205-907/Taft ISD

Category Summary

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

Stratum
Variance
A 21,694,641 1.1049 19,634,936 15 615 .056340608
A 21,783,904 1.1772 18,504,845 14 335 .039919140
A 21,512,539 1.0734 20,041,493 17 208 .021315525
A 21,658,913 1.0082 21,482,754 13 105 .010651519
D3 19,684,707 0.8656 22,741,113 10 1,159 .224624461
G1 19,501,820 0.9208 21,179,214 9 24 .052975065
G1 19,288,689 0.7949 24,265,554 6 10 .139182374
G1 20,505,990 0.9657 21,234,327 4 6 .020705626
Random Totals: 165,631,203   169,084,236 88 2,462  
Catg J Exception Values: 13,601,433   13,826,205      
Catg D1 Exception Values: 22,001,594   33,766,480      
Catg G1 Exception Values: 16,939,920   16,696,865      
Total Test Values (4): 218,174,150   233,373,786      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,668,689

Confidence Interval Values (5)

Local Test Value: 218,174,150 (Outside Confidence Interval)
State Lower Limit: 221,705,097 (State Test Value minus Margin of Error Percent)
State Upper Limit: 245,042,475 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 246,881,388 (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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