taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
008/Austin
008-903/Brazos ISD

Category Summary

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

Stratum
Variance
A 11,986,877 0.9938 12,061,659 10 234 .005085994
A 11,917,918 0.9610 12,401,580 11 135 .005265200
A 10,819,677 1.0098 10,714,673 9 93 .004291827
A 11,381,157 0.9767 11,652,664 10 65 .007890749
D3 19,392,349 0.9837 19,713,682 15 800 .011983281
F1 1,322,359 1.0023 1,319,325 8 35 .003793314
F1 1,018,778 0.9319 1,093,227 5 8 .002443777
F1 1,467,127 1.0243 1,432,322 3 4 .007783120
Random Totals: 69,306,242   70,389,132 71 1,374  
Catg J Exception Values: 9,553,490   10,237,640      
Catg D1 Exception Values: 2,588,172   2,593,124      
Catg F1 Exception Values: 875,766   967,336      
Total Test Values (4): 82,323,670   84,187,232      

Margin of Error

Margin of Error Percent: 5.0000005
Margin of Error Value: 4,209,362

Confidence Interval Values (5)

State Lower Limit: 79,977,870 (State Test Value minus Margin of Error Percent)
Local Test Value: 82,323,670 (Within Confidence Interval)
State Upper Limit: 88,396,594 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 85,242,933 (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