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 0.9228 747,880,584 98 6,268 0.014226165
A 764,813,361 0.9528 802,700,841 103 4,389 0.010539662
A 950,058,927 0.9767 972,723,382 98 4,005 0.010007013
A 980,040,741 0.9736 1,006,615,387 99 2,651 0.009240995
B 70,446,492 0.9071 77,661,219 8 24 0.023184840
B 82,781,651 0.8987 92,112,664 6 10 0.026644764
B 88,351,430 1.0259 86,120,899 5 6 0.011751345
B 106,617,209 0.9630 110,714,512 4 6 0.004569934
F1 191,902,367 0.7963 240,992,549 10 601 0.113568500
F1 184,139,993 0.8372 219,947,435 13 171 0.027638260
F1 177,916,894 0.8052 220,959,878 9 67 0.066039039
F1 191,932,715 0.8406 228,328,236 8 26 0.049495469
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 5,245,706,472 502 18,927
CATG D1 EXCEPTION VALUES: 2,287,664 1,770,376
CATG J EXCEPTION VALUES: 94,584,970 114,360,028
Total Test Values 4,983,253,597 5,361,836,876

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 268,091,844

Confidence Interval Values(5)

Local Test Value: 4,983,253,597 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 5,093,745,032 (State Test Value minus Margin of Error Percent)
State Upper Limit: 5,629,928,720 (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