taxes Property Tax Assistance

2020 Confidence Interval Detail

Starr County
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
E 15,228,697 0.5973 25,495,893 10 660 0.959151121
G1 14,852,548 1.0650 13,946,054 15 70 0.031589292
G1 15,053,775 1.0161 14,815,249 15 21 0.003918978
G1 14,768,808 1.0058 14,683,643 10 12 0.000711209
Random Totals: 59,903,828 68,940,839 50 763
CATG D1 EXCEPTION VALUES: 1,125,440 1,476,746
CATG G1 EXCEPTION VALUES: 14,149,132 14,158,579
CATG J EXCEPTION VALUES: 750,907 719,500
Total Test Values 75,929,307 85,295,664

Margin of Error

Margin of Error Percent: 18.5162752
Margin of Error Value: 15,793,580

Confidence Interval Values(5)

Local Test Value: 75,929,307 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 69,502,084 (State Test Value minus Margin of Error Percent)
State Upper Limit: 101,089,244 (State Test Value plus Margin of Error Percent)

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