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2009 Confidence Interval Detail
094/Guadalupe
094-901/Seguin ISD

Category Summary

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

Stratum
Variance
A 352,818,460 1.0227 344,987,249 44 4,748 .027614205
A 363,844,302 1.0185 357,235,446 45 2,625 .010519924
A 356,978,032 1.0147 351,806,477 37 1,613 .012732326
A 379,600,869 0.9565 396,864,474 19 710 .020095755
D3 240,780,547 0.9879 243,729,676 26 7,819 .013526536
F1 74,451,250 1.0155 73,314,870 8 459 .017108864
F1 74,487,898 0.9527 78,186,101 7 162 .037614945
F1 78,593,912 0.9056 86,786,564 6 61 .006066719
F1 68,449,993 0.9299 73,610,058 5 15 .023257808
Random Totals: 1,990,005,263   2,006,520,915 197 18,212  
Catg D1 Exception Values: 14,111,898   14,535,708      
Total Test Values (4): 2,004,117,161   2,021,056,623      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 101,052,831

Confidence Interval Values (5)

State Lower Limit: 1,920,003,792 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,004,117,161 (Within Confidence Interval)
State Upper Limit: 2,122,109,454 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,445,155,466 (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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