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2007 Confidence Interval Detail
015/Bexar
015-907/San Antonio ISD

Category Summary

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

Stratum
Variance
A 1,372,356,915 0.9895 1,386,919,570 63 27,462 .045392732
A 1,373,787,080 1.0034 1,369,132,031 60 19,450 .025050848
A 1,370,088,721 1.0024 1,366,808,381 63 14,545 .020756299
A 1,371,637,664 1.0057 1,363,863,641 63 6,498 .021333885
B 183,728,930 0.9506 193,276,804 57 2,136 .035678236
B 183,804,105 0.9496 193,559,504 47 977 .028921700
B 183,662,041 0.9692 189,498,598 23 213 .006605847
B 183,364,079 0.9587 191,263,251 9 35 .011541414
F1 908,319,573 0.9638 942,435,747 36 3,219 .052791874
F1 908,770,460 0.9029 1,006,501,783 12 555 .011572146
F1 909,696,001 0.9259 982,499,191 12 117 .015820794
F1 904,411,740 1.0111 894,482,979 11 25 .005563126
L1 317,424,428 1.0204 311,078,428 7 2,236 .064057839
L1 317,210,500 0.8978 353,319,782 7 358 .067548550
L1 320,865,062 0.9976 321,636,991 7 115 .003457625
L1 312,443,727 0.9401 332,351,587 6 35 .048215177
Random Totals: 11,121,571,026   11,398,628,268 483 77,976  
Catg D1 Exception Values: 166,561   218,059      
Total Test Values (4): 11,121,737,587   11,398,846,327      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 569,942,316

Confidence Interval Values (5)

State Lower Limit: 10,828,904,011 (State Test Value minus Margin of Error Percent)
Local Test Value: 11,121,737,587 (Within Confidence Interval)
State Upper Limit: 11,968,788,643 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 10,692,743,033 (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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