taxes Property Tax Assistance

2019 Confidence Interval Detail

Washington County
239-901/Brenham ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 275,447,662 0.8983 306,632,152 41 2465 0.017155866
A 308,946,100 0.9251 333,959,680 58 1821 0.015276802
A 354,398,833 0.9352 378,955,125 80 1504 0.016150557
A 413,716,540 0.9705 426,292,159 59 1054 0.008043046
E 926,537,904 0.9909 935,046,830 51 4389 0.022057777
F1 80,307,151 0.9632 83,375,364 10 410 0.043018364
F1 85,320,196 0.9204 92,699,040 10 152 0.016301911
F1 88,026,259 0.7800 112,854,178 8 59 0.261799365
F1 82,709,075 0.9516 86,915,800 6 17 0.011182976
Random Totals: 2,615,409,720 2,756,730,328 323 11,871
CATG D1 EXCEPTION VALUES: 23,571,945 19,193,291
Total Test Values(1) 2,638,981,665 2,775,923,619

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 138,796,181

Confidence Interval Values(5)

Local Test Value: 2,638,981,665 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 2,637,127,438 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,914,719,800 (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