taxes Property Tax Assistance

2024 Confidence Interval Detail

Brewster County
022-902/Marathon 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 8,975,382 0.8453 10,617,984 14 111 0.363445116
A 3 9,788,788 1.1653 8,400,230 12 68 0.032099428
A 4 12,248,686 1.1871 10,318,159 12 61 0.019992837
A 5 12,279,667 1.1061 11,101,769 13 34 0.158576982
E 0 25,721,108 0.8733 29,452,775 20 552 0.335996999
F1 2 5,881,133 0.9988 5,888,199 12 32 0.011627975
Random Totals: 74,894,764 75,779,116 83 858
CATG D1 EXCEPTION VALUES: 16,626,979 17,510,362
CATG F1 EXCEPTION VALUES: 4,130,878 8,282,464
CATG J EXCEPTION VALUES: 49,135,218 51,537,478
Total Test Values 144,787,839 153,109,420

Margin of Error

Margin of Error Percent: 5.4914162
Margin of Error Value: 8,407,875

Confidence Interval Values(5)

Local Test Value: 144,787,839 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 144,701,545 (State Test Value minus Margin of Error Percent)
State Upper Limit: 161,517,295 (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