taxes Property Tax Assistance

2018 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 642,747,617 0.9830 653,863,293 241 4568 0.035384631
A 625,844,668 0.9858 634,859,675 124 2404 0.020903832
A 656,730,957 0.9975 658,376,899 62 1648 0.026353022
A 652,387,194 0.9468 689,044,354 16 853 0.081548971
C1 59,538,414 1.0080 59,065,887 36 1245 0.121213287
C1 41,822,624 1.0512 39,785,601 14 344 0.143909439
C1 48,076,385 1.2134 39,621,217 12 197 0.171488784
C1 51,686,168 0.9144 56,524,681 11 40 0.073571280
F1 75,709,007 0.7741 97,802,619 15 286 0.272419559
F1 79,974,222 0.7697 103,903,108 16 92 0.151638557
F1 72,354,869 0.7867 91,972,631 16 42 0.083176668
F1 78,728,527 0.7169 109,818,004 7 15 0.128224089
Random Totals: 3,085,600,652 3,234,637,969 570 11,734
CATG D1 EXCEPTION VALUES: 1,490,443 1,163,168
Total Test Values(1) 3,087,091,095 3,235,801,137

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 161,790,057

Confidence Interval Values(5)

Local Test Value: 3,087,091,095 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 3,074,011,080 (State Test Value minus Margin of Error Percent)
State Upper Limit: 3,397,591,194 (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