taxes Property Tax Assistance

2020 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 690,144,203 0.9221 748,448,328 99 6,268 0.014135590
A 764,813,361 0.9520 803,375,379 104 4,389 0.010512897
A 950,058,927 0.9767 972,723,382 98 4,005 0.010007013
A 980,040,741 0.9724 1,007,857,611 99 2,651 0.009264598
B 70,446,492 0.7515 93,741,174 8 24 0.048939817
B 82,781,651 0.8127 101,860,036 6 10 0.008695942
B 88,351,430 1.0157 86,985,754 5 6 0.012936826
B 106,617,209 0.9246 115,313,923 4 6 0.001957910
F1 191,902,367 0.7931 241,964,906 10 601 0.113714172
F1 184,139,993 0.8213 224,205,519 13 171 0.044176711
F1 177,916,894 0.7739 229,896,491 9 67 0.111581440
F1 191,932,715 0.8362 229,529,676 8 26 0.048910133
L1 100,621,870 0.9459 106,376,858 15 561 0.016694551
L1 99,636,040 0.9996 99,675,910 10 95 0.006586649
L1 106,861,560 0.9189 116,292,915 8 33 0.023775087
L1 100,115,510 0.8586 116,603,203 8 14 0.113973548
Random Totals: 4,886,380,963 5,294,851,065 504 18,927
CATG D1 EXCEPTION VALUES: 2,287,664 1,770,376
CATG J EXCEPTION VALUES: 94,584,970 121,521,140
Total Test Values 4,983,253,597 5,418,142,581

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 270,907,129

Confidence Interval Values(5)

Local Test Value: 4,983,253,597 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 5,147,235,452 (State Test Value minus Margin of Error Percent)
State Upper Limit: 5,689,049,710 (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