taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
221/Taylor
221-901/Abilene ISD

Category Summary

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

Stratum
Variance
A 538,208,651 0.9972 539,719,867 121 10,486 .022615828
A 539,825,907 0.9808 550,393,461 125 5,840 .004019553
A 555,005,189 0.9854 563,228,323 125 4,311 .002206544
A 563,572,097 0.9946 566,631,909 122 2,560 .005306743
B 77,061,084 0.9902 77,823,757 18 506 .018987534
B 71,293,222 0.8569 83,198,999 9 24 .061188329
B 89,250,762 1.1178 79,845,019 7 13 .004382185
B 75,844,564 1.1391 66,582,885 4 5 .010898698
F1 230,247,442 0.9963 231,102,521 33 1,190 .049956364
F1 229,761,163 0.9931 231,357,530 16 296 .015110907
F1 261,375,023 0.9310 280,746,534 11 113 .008717875
F1 223,499,747 0.9526 234,620,772 10 30 .002923719
L1 161,005,673 1.0097 159,458,921 10 1,159 .003020072
L1 151,152,877 0.9967 151,653,333 11 192 .001998133
L1 145,705,172 0.9728 149,779,165 8 52 .005484026
L1 150,578,211 0.9932 151,609,153 6 12 .001284282
Random Totals: 4,063,386,784   4,117,752,149 636 26,789  
Catg D1 Exception Values: 1,552,931   1,566,768      
Total Test Values (4): 4,064,939,715   4,119,318,917      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 205,965,946

Confidence Interval Values (5)

State Lower Limit: 3,913,352,971 (State Test Value minus Margin of Error Percent)
Local Test Value: 4,064,939,715 (Within Confidence Interval)
State Upper Limit: 4,325,284,863 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 4,011,973,441 (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