taxes Property Tax Assistance

2018 Confidence Interval Detail

025/Brown
025-902/Brownwood ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 138,593,990 0.8454 163,938,952 59 2,837 .083626299
A 135,277,941 0.8454 160,016,490 59 1,413 .022396246
A 147,153,390 0.9205 159,862,455 51 936 .018426184
A 147,724,885 0.9766 151,264,474 24 438 .023638861
E 65,119,781 0.7520 86,595,453 11 594 .113364738
F1 57,383,490 0.8686 66,064,345 10 365 .046224188
F1 57,620,610 0.9348 61,639,506 9 104 .005470761
F1 60,497,170 0.9542 63,400,933 8 33 .003443057
F1 56,364,750 0.8944 63,019,622 4 8 .012584351
L1 23,376,050 1.0071 23,211,250 10 288 .012231041
L1 21,482,110 1.0270 20,917,342 9 69 .004134611
L1 24,199,660 1.0032 24,122,468 9 32 .001323318
L1 31,366,280 1.0208 30,727,155 4 12 .000119899
Random Totals: 966,160,107   1,074,780,445 267 7,129  
Catg J Exception Values: 49,439,760   53,707,130      
Catg D1 Exception Values: 5,896,840   4,695,401      
Total Test Values (4): 1,021,496,707   1,133,182,976      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 56,659,148

Confidence Interval Values (5)

Local Test Value: 1,021,496,707 (Outside Confidence Interval)
State Lower Limit: 1,076,523,828 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,189,842,124 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,446,089,518 (See ISD Summary Worksheet)

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
(6) Includes local value of unstudied property categories and sub-categories