taxes Property Tax Assistance

2020 Confidence Interval Detail

Cameron County
031-901/Brownsville ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 941,484,686 0.9613 979,386,961 68 17,251 0.112765943
A 954,339,536 0.9483 1,006,368,803 44 10,495 0.047956566
A 955,958,694 0.9139 1,046,021,112 44 7,557 0.045848226
A 956,002,243 1.0411 918,261,688 42 4,141 0.105649381
B 80,699,194 0.8426 95,774,026 13 1,122 0.024655506
B 80,887,552 0.8611 93,935,143 13 535 0.027806950
B 81,249,549 0.8837 91,942,457 12 120 0.034049019
B 80,451,173 0.9474 84,917,852 9 28 0.003837434
F1 384,572,501 0.9587 401,139,565 15 1,547 0.060660153
F1 385,789,144 0.9324 413,759,271 15 422 0.029665419
F1 387,932,009 0.9284 417,850,074 14 162 0.011918633
F1 382,289,318 0.9325 409,961,735 13 46 0.027147254
L1 114,159,535 1.0448 109,264,486 10 1,503 0.003402842
L1 114,334,377 1.0173 112,390,029 10 298 0.007367165
L1 116,072,225 1.0309 112,593,098 10 107 0.002323202
L1 112,047,587 1.0192 109,936,800 9 24 0.040755638
Random Totals: 6,128,269,323 6,403,503,100 341 45,358
CATG D1 EXCEPTION VALUES: 6,719,574 6,155,881
Total Test Values 6,134,988,897 6,409,658,981

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 320,482,949

Confidence Interval Values(5)

Local Test Value: 6,134,988,897 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 6,089,176,032 (State Test Value minus Margin of Error Percent)
State Upper Limit: 6,730,141,930 (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