taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
007/Atascosa
015-909/Somerset ISD

Category Summary

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

Stratum
Variance
A 18,992,350 0.9215 20,610,255 10 604 .004548771
A 20,774,010 0.9686 21,447,460 11 346 .023327748
A 20,159,520 0.9566 21,074,138 11 229 .037794631
A 25,545,820 0.9940 25,700,020 10 160 .003041802
E 33,825,053 0.9606 35,212,422 15 551 .010310255
Random Totals: 119,296,753   124,044,295 57 1,890  
Catg D1 Exception Values: 1,013,301   992,787      
Total Test Values (4): 120,310,054   125,037,082      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,251,854

Confidence Interval Values (5)

State Lower Limit: 118,785,228 (State Test Value minus Margin of Error Percent)
Local Test Value: 120,310,054 (Within Confidence Interval)
State Upper Limit: 131,288,936 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 106,266,057 (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