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2009 Confidence Interval Detail
205/San Patricio
205-901/Aransas Pass ISD

Category Summary

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

Stratum
Variance
A 80,195,557 0.8696 92,221,202 9 1,231 .083263933
A 79,224,536 1.0169 77,907,893 11 612 .016445427
A 80,628,741 0.9696 83,156,705 12 284 .016605023
A 75,769,371 1.0641 71,205,123 10 120 .004678787
C 7,741,836 0.9937 7,790,919 8 822 .008814481
C 9,350,710 1.0363 9,023,169 8 156 .010273878
C 9,284,143 1.0107 9,185,854 7 45 .000454800
C 6,343,861 0.9935 6,385,366 5 17 .001942994
F1 19,843,037 0.9742 20,368,545 10 135 .013115911
F1 23,849,373 1.0011 23,823,168 7 46 .002664987
F1 21,041,041 0.9915 21,221,423 5 11 .028018807
L1 7,599,899 1.0324 7,361,390 8 136 .001246261
L1 10,137,666 0.9585 10,576,595 6 24 .001320845
L1 6,620,578 0.9730 6,804,294 2 2 .003231131
Random Totals: 437,630,349   447,031,646 108 3,641  
Catg D1 Exception Values: 131,836   151,595      
Catg F1 Exception Values: 16,248,358   16,038,245      
Catg L1 Exception Values: 6,168,095   5,999,286      
Total Test Values (4): 460,178,638   469,220,772      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 23,461,039

Confidence Interval Values (5)

State Lower Limit: 445,759,733 (State Test Value minus Margin of Error Percent)
Local Test Value: 460,178,638 (Within Confidence Interval)
State Upper Limit: 492,681,811 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 469,336,767 (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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