taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 77,484,031 0.9831 78,816,022 26 1,424 .018718493
A 83,892,360 0.9543 87,909,840 25 989 .026783134
A 84,429,360 0.9391 89,904,547 20 679 .007368435
A 85,003,706 0.9495 89,524,704 28 413 .007967870
E 200,005,998 0.9526 209,958,008 22 2,060 .029737961
F1 21,932,909 0.9635 22,763,787 9 183 .007506459
F1 22,240,753 0.8566 25,963,989 9 64 .056295954
F1 28,566,010 0.9287 30,759,136 7 24 .029738815
F1 17,427,980 1.0485 16,621,822 3 3 .000254578
L1 9,475,550 1.0145 9,340,118 9 164 .002549820
L1 9,123,360 1.0082 9,049,157 9 34 .002175354
L1 7,710,360 1.1494 6,708,161 5 7 .048084252
Random Totals: 647,292,377   677,319,291 172 6,044  
Catg D1 Exception Values: 19,836,668   22,888,709      
Catg L1 Exception Values: 5,852,810   5,874,577      
Total Test Values (4): 672,981,855   706,082,577      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 35,304,128

Confidence Interval Values (5)

State Lower Limit: 670,778,449 (State Test Value minus Margin of Error Percent)
Local Test Value: 672,981,855 (Within Confidence Interval)
State Upper Limit: 741,386,705 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 659,404,607 (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