taxes Property Tax Assistance

2020 Confidence Interval Detail

Cameron County
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 646,875,783 0.9640 671,032,970 153 4,495 0.016375877
A 648,127,455 0.9645 671,982,846 94 2,444 0.012582288
A 650,157,060 0.9840 660,728,720 40 1,608 0.012049710
A 649,044,568 0.9609 675,454,853 15 827 0.039727175
C1 48,490,676 0.9816 49,399,629 16 1,226 0.049944867
C1 47,386,675 1.1227 42,207,780 15 451 0.035966381
C1 49,251,378 0.8829 55,783,643 17 226 0.042025795
C1 48,531,582 0.9921 48,918,034 12 44 0.043180014
F1 102,217,507 0.9475 107,881,274 15 306 0.013977307
F1 102,301,273 0.9836 104,006,988 16 83 0.016971466
F1 107,962,248 0.9753 110,696,450 14 30 0.018436616
F1 93,299,901 0.7620 122,440,815 5 6 0.015617399
Random Totals: 3,193,646,106 3,320,534,002 412 11,746
CATG D1 EXCEPTION VALUES: 1,247,915 1,200,513
Total Test Values 3,194,894,021 3,321,734,515

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 166,086,726

Confidence Interval Values(5)

Local Test Value: 3,194,894,021 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 3,155,647,789 (State Test Value minus Margin of Error Percent)
State Upper Limit: 3,487,821,241 (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