taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
020/Brazoria
020-905/Brazosport ISD

Category Summary

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

Stratum
Variance
A 442,280,637 0.9859 448,605,981 30 5,918 .009325082
A 503,225,781 0.9717 517,881,837 59 4,144 .012412570
A 516,386,732 0.9676 533,677,896 51 3,090 .008075001
A 526,845,976 0.9892 532,598,035 47 1,927 .010054011
F1 100,867,410 1.0311 97,825,051 10 602 .016291799
F1 99,183,614 0.9808 101,125,218 10 185 .098872120
F1 95,347,002 0.9470 100,683,212 9 70 .008821091
F1 108,848,781 0.9726 111,915,259 7 25 .008779215
L1 64,166,390 1.0344 62,032,473 11 606 .006313979
L1 66,729,280 0.9860 67,676,755 9 123 .002913870
L1 70,046,510 0.9513 73,632,408 8 41 .005390228
L1 59,356,600 1.0484 56,616,368 6 12 .022246869
Random Totals: 2,653,284,713   2,704,270,493 257 16,743  
Catg D1 Exception Values: 2,511,450   2,106,896      
Total Test Values (4): 2,655,796,163   2,706,377,389      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 135,318,869

Confidence Interval Values (5)

State Lower Limit: 2,571,058,520 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,655,796,163 (Within Confidence Interval)
State Upper Limit: 2,841,696,258 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 6,343,671,679 (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