taxes Property Tax Assistance

2022 Confidence Interval Detail

Brazoria County
020-907/Columbia-Brazoria ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 221,093,739 0.9204 240,214,840 48 1,930 0.031240366
A 293,013,524 0.9487 308,857,936 58 1,599 0.017246592
A 340,536,261 0.9407 362,003,041 60 1,360 0.026319274
A 497,017,298 0.9515 522,351,338 73 1,286 0.015831362
E 203,746,674 0.9116 223,504,469 12 1,439 0.093359737
F1 28,105,163 0.7865 35,734,473 12 203 0.083322706
F1 24,088,494 0.8039 29,964,540 9 64 0.114183106
F1 25,189,979 0.8517 29,576,117 8 29 0.022938798
F1 34,944,740 0.8822 39,610,905 7 18 0.107484877
Random Totals: 1,667,735,872 1,791,817,659 287 7,928
CATG D1 EXCEPTION VALUES: 7,357,636 6,069,333
CATG J EXCEPTION VALUES: 64,018,980 74,195,600
Total Test Values 1,739,112,488 1,872,082,592

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 93,604,130

Confidence Interval Values(5)

Local Test Value: 1,739,112,488 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 1,778,478,462 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,965,686,722 (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