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2007 Confidence Interval Detail
015/Bexar
015-908/South 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 151,939,620 0.9614 158,039,963 28 2,980 .034978994
A 151,836,431 0.9039 167,979,236 30 2,298 .023227331
A 151,894,365 0.9947 152,703,695 43 1,941 .016776680
A 151,778,376 1.0034 151,264,078 63 1,438 .016451887
F1 80,519,626 0.8439 95,413,705 14 255 .089889678
F1 81,716,490 0.8762 93,262,372 8 30 .058851758
F1 82,855,217 0.9670 85,682,748 7 12 .006064238
L1 37,129,426 1.3955 26,606,540 7 225 .213231949
L1 40,373,620 1.0329 39,087,637 6 27 .013658281
L1 36,182,349 1.0689 33,850,079 4 7 .002599396
L1 34,032,950 0.9648 35,274,617 3 4 .002517542
Random Totals: 1,000,258,470   1,039,164,670 213 9,217  
Catg D1 Exception Values: 234,310   324,573      
Catg F1 Exception Values: 96,086,460   89,653,986      
Total Test Values (4): 1,096,579,240   1,129,143,229      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 56,457,161

Confidence Interval Values (5)

State Lower Limit: 1,072,686,068 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,096,579,240 (Within Confidence Interval)
State Upper Limit: 1,185,600,390 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,097,187,360 (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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