taxes Property Tax Assistance

2018 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 362,836,381 0.9731 372,866,490 35 4,515 .023558914
A 455,011,204 0.9303 489,101,584 49 3,903 .006474371
A 430,332,832 0.9853 436,753,103 50 2,819 .008665750
A 538,838,227 1.0205 528,013,941 50 2,655 .005977098
E 178,160,953 0.8855 201,198,140 15 1,371 .221443101
F1 101,342,257 0.9950 101,851,515 9 179 .001320922
F1 90,746,393 1.0182 89,124,330 8 34 .001052118
F1 125,382,750 1.0005 125,320,090 4 12 .000745718
F1 106,400,000 0.9607 110,752,576 2 3 .000385411
L1 57,192,820 1.1754 48,658,176 11 142 .051522741
L1 43,167,269 1.0318 41,836,857 7 17 .034426738
L1 48,454,685 0.9891 48,988,661 4 7 .002351754
Random Totals: 2,537,865,771   2,594,465,463 244 15,657  
Catg D1 Exception Values: 4,054,299   4,842,178      
Catg L1 Exception Values: 53,781,240   47,896,839      
Total Test Values (4): 2,595,701,310   2,647,204,480      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 132,360,224

Confidence Interval Values (5)

State Lower Limit: 2,514,844,256 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,595,701,310 (Within Confidence Interval)
State Upper Limit: 2,779,564,704 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,830,958,355 (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, D2, E, 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