taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
031/Cameron
031-909/Point Isabel ISD

Category Summary

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

Stratum
Variance
A 609,606,266 1.0518 579,583,824 54 4,324 .011639538
A 629,427,440 1.0383 606,209,612 34 2,352 .089304137
A 596,687,101 0.9755 611,673,092 29 1,417 .031435250
A 594,607,208 0.9696 613,250,008 12 737 .044537045
C1 75,499,527 0.9676 78,027,622 14 1,476 .084911847
C1 35,195,677 0.8879 39,639,235 14 264 .048651437
C1 54,288,855 1.1977 45,327,590 13 224 .063452807
C1 53,161,983 0.7821 67,973,383 8 39 .169335454
F1 77,169,098 0.9447 81,686,353 13 267 .033498375
F1 75,642,765 0.9093 83,187,908 10 82 .011311465
F1 77,616,720 1.0534 73,682,096 8 41 .005865229
F1 67,221,447 0.6619 101,558,312 5 11 .139420952
Random Totals: 2,946,124,087   2,981,799,035 214 11,234  
Catg D1 Exception Values: 2,053,978   1,184,061      
Total Test Values (4): 2,948,178,065   2,982,983,096      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 149,149,154

Confidence Interval Values (5)

State Lower Limit: 2,833,833,942 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,948,178,065 (Within Confidence Interval)
State Upper Limit: 3,132,132,250 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,532,710,080 (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