taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
214/Starr
214-902/San Isidro ISD

Category Summary

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

Stratum
Variance
A 2,449,770 0.4500 5,443,933 9 180 .069752565
A 2,480,600 0.5704 4,348,878 9 81 .135308672
A 2,523,610 0.6869 3,673,912 8 45 .025088654
A 3,088,080 1.0237 3,016,587 7 23 .068250726
G1 31,659,400 1.0192 31,062,991 15 90 .020805520
G1 31,564,240 0.9712 32,500,247 15 30 .015200967
G1 31,935,660 1.0247 31,165,863 10 16 .014947355
G1 29,920,110 1.0141 29,504,102 7 9 .008687252
Random Totals: 135,621,470   140,716,513 80 474  
Catg J Exception Values: 2,133,890   2,277,230      
Catg D1 Exception Values: 16,011,120   16,370,170      
Total Test Values (4): 153,766,480   159,363,913      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 7,968,196

Confidence Interval Values (5)

State Lower Limit: 151,395,717 (State Test Value minus Margin of Error Percent)
Local Test Value: 153,766,480 (Within Confidence Interval)
State Upper Limit: 167,332,109 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 198,326,833 (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