taxes Property Tax Assistance

2021 Confidence Interval Detail

Brazoria County
020-905/Brazosport ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 771,946,105 0.9519 810,952,941 67 6,275 0.005014382
A 857,730,433 0.9570 896,270,045 73 4,491 0.004421747
A 913,241,505 0.9754 936,273,842 74 3,584 0.006411968
A 967,811,638 0.9688 998,979,808 73 2,483 0.010491004
B 76,861,514 0.8471 90,734,877 10 25 0.019798270
B 100,532,864 0.8813 114,073,373 6 11 0.012139287
B 96,087,410 0.9800 98,048,378 5 6 0.027008385
F1 187,255,993 0.8601 217,714,211 17 572 0.044973500
F1 196,036,139 0.9232 212,344,171 17 178 0.018493317
F1 176,197,963 0.9357 188,306,041 12 65 0.016231130
F1 142,250,711 0.8869 160,390,925 10 18 0.025718755
L1 93,261,550 0.9814 95,029,091 10 544 0.017455232
L1 102,037,790 1.1012 92,660,543 11 97 0.064423162
L1 91,278,420 0.9097 100,339,035 7 28 0.011280689
L1 72,571,880 0.9279 78,210,885 7 9 0.003167739
Random Totals: 4,845,101,915 5,090,328,166 399 18,386
CATG B EXCEPTION VALUES: 93,227,766 99,989,468
CATG D1 EXCEPTION VALUES: 1,949,791 1,592,574
CATG J EXCEPTION VALUES: 125,135,170 134,976,407
Total Test Values 5,065,414,642 5,326,886,615

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 266,344,331

Confidence Interval Values(5)

Local Test Value: 5,065,414,642 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 5,060,542,284 (State Test Value minus Margin of Error Percent)
State Upper Limit: 5,593,230,946 (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