taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
050/Coryell
050-902/Gatesville ISD

Category Summary

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

Stratum
Variance
A 72,138,820 0.9731 74,132,998 13 1,455 .002149164
A 75,268,093 0.9642 78,062,739 18 949 .009886306
A 76,112,821 0.9529 79,874,930 20 650 .006493717
A 78,427,672 0.9581 81,857,501 14 406 .005934483
E 179,618,959 0.9695 185,269,684 16 2,115 .022832664
F1 20,831,559 0.9700 21,475,834 10 178 .014334124
F1 19,867,470 0.8922 22,267,956 9 59 .044177305
F1 19,734,483 0.9102 21,681,480 7 21 .095174177
F1 23,426,597 1.0545 22,215,834 3 6 .017640962
L1 9,127,450 0.9969 9,155,833 9 180 .017002591
L1 8,141,635 1.0203 7,979,648 8 31 .007660738
L1 9,965,481 0.9860 10,106,979 5 11 .010097411
Random Totals: 592,661,040   614,081,416 132 6,061  
Catg D1 Exception Values: 20,332,710   17,706,749      
Catg L1 Exception Values: 8,360,510   8,733,886      
Total Test Values (4): 621,354,260   640,522,051      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 32,026,103

Confidence Interval Values (5)

State Lower Limit: 608,495,948 (State Test Value minus Margin of Error Percent)
Local Test Value: 621,354,260 (Within Confidence Interval)
State Upper Limit: 672,548,154 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 597,841,575 (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