taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
015/Bexar
015-912/Southwest ISD

Category Summary

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

Stratum
Variance
A 233,865,554 0.8733 267,795,207 39 4,700 .050082502
A 238,278,843 0.8538 279,080,397 39 3,328 .014645768
A 233,714,726 0.9055 258,105,716 39 2,287 .012383307
A 362,462,470 0.9550 379,541,853 39 2,292 .010863980
E 107,627,052 0.8610 125,002,383 17 1,233 .347312895
F1 46,776,061 0.9699 48,227,715 9 191 .009203339
F1 45,232,068 1.0207 44,314,753 8 46 .002293534
F1 36,403,220 1.0113 35,996,460 6 14 .001639996
F1 81,987,964 1.0309 79,530,472 3 10 .001194692
L1 27,612,850 1.0068 27,426,351 8 42 .000813016
L1 26,220,410 0.9681 27,084,402 5 13 .004901930
L1 30,273,880 1.1686 25,906,110 4 6 .080078560
L1 306,041,990 0.9459 323,545,819 4 5 .021381578
Random Totals: 1,776,497,088   1,921,557,638 220 14,167  
Catg D1 Exception Values: 4,307,113   5,263,369      
Total Test Values (4): 1,780,804,201   1,926,821,007      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 96,341,050

Confidence Interval Values (5)

Local Test Value: 1,780,804,201 (Outside Confidence Interval)
State Lower Limit: 1,830,479,957 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,023,162,057 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,034,587,127 (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