taxes Property Tax Assistance

2024 Confidence Interval Detail

Brazoria County
020-907/Columbia-Brazoria ISD

Category Summary

(1)
Category 		(1)
Stratum
Number 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 2 441,313,254 1.0141 435,177,255 60 2,450 0.017973818
A 3 423,745,424 1.0442 405,808,680 65 1,531 0.018307060
A 4 475,235,388 1.0565 449,820,528 52 1,278 0.016482262
A 5 489,327,785 1.0818 452,327,403 37 901 0.028077534
C1 2 53,718,221 1.0682 50,288,542 30 1,783 0.099787380
C1 3 22,541,348 1.0412 21,649,393 9 448 0.206246127
C1 4 26,344,640 0.9031 29,171,343 13 331 0.072797957
C1 5 22,960,591 1.3444 17,078,690 10 136 0.049343082
E 0 317,224,559 0.9042 350,834,505 19 1,732 0.152439503
F1 2 46,721,754 1.0206 45,778,713 10 185 0.010376411
F1 3 46,541,440 0.9838 47,307,827 10 70 0.008087437
F1 4 52,323,911 1.0544 49,624,347 8 35 0.018437689
F1 5 52,355,017 1.0416 50,264,033 6 13 0.002492871
Random Totals: 2,470,353,332 2,405,131,259 329 10,893
CATG D1 EXCEPTION VALUES: 6,298,468 6,796,856
CATG J EXCEPTION VALUES: 156,984,069 159,348,617
Total Test Values 2,633,635,869 2,571,276,732

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 128,563,837

Confidence Interval Values(5)

Local Test Value: 2,633,635,869 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 2,442,712,895 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,699,840,569 (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