taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
020/Brazoria
020-902/Angleton ISD

Category Summary

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

Stratum
Variance
A 197,144,299 1.0362 190,256,996 34 3,001 .044773141
A 197,960,200 1.0177 194,517,245 29 1,962 .018828013
A 215,215,244 0.9931 216,710,547 27 1,563 .010054245
A 221,956,148 0.9961 222,825,166 30 946 .009475340
D3 96,754,276 0.9239 104,723,754 23 3,439 .013790482
F1 34,776,885 1.0095 34,449,614 10 282 .006175439
F1 33,749,024 1.0370 32,544,864 13 104 .005285177
F1 38,766,015 1.0591 36,602,790 8 51 .010929874
F1 37,350,016 0.9724 38,410,136 6 17 .001585034
L1 17,923,860 0.9984 17,952,584 10 334 .007898987
L1 17,552,210 0.9726 18,046,689 9 64 .042161442
L1 19,180,560 0.9771 19,630,089 7 20 .007573389
L1 13,219,730 0.9971 13,258,179 4 4 .002112856
Random Totals: 1,141,548,467   1,139,928,653 210 11,787  
Catg J Exception Values: 32,526,620   34,827,746      
Catg D1 Exception Values: 19,101,390   16,701,819      
Total Test Values (4): 1,193,176,477   1,191,458,218      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 59,572,911

Confidence Interval Values (5)

State Lower Limit: 1,131,885,307 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,193,176,477 (Within Confidence Interval)
State Upper Limit: 1,251,031,129 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,226,182,175 (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, D3, 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