taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
046/Comal
046-902/Comal ISD

Category Summary

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

Stratum
Variance
A 1,315,144,809 0.9057 1,452,075,532 74 9,746 .029310965
A 1,471,724,325 0.8983 1,638,343,900 84 6,061 .022601271
A 1,469,656,635 0.9340 1,573,508,175 76 4,208 .010659983
A 1,435,862,632 0.9176 1,564,802,345 75 2,829 .020157707
C1 200,349,249 0.8859 226,153,346 49 9,771 .123395480
C1 145,335,662 0.8803 165,097,878 50 3,043 .104903782
C1 158,310,262 0.9989 158,484,595 49 1,978 .044286821
C1 198,216,060 0.9233 214,682,183 21 717 .049967327
E 481,835,464 0.8053 598,330,391 19 2,433 .091356435
F1 210,517,710 0.9904 212,558,269 10 649 .010531994
F1 226,482,985 0.9375 241,581,851 10 269 .021012278
F1 230,643,407 1.0626 217,055,719 9 128 .061969061
F1 283,001,916 0.9303 304,205,005 8 36 .006293102
L1 112,372,263 1.0518 106,838,052 10 824 .024911793
L1 119,257,649 0.9910 120,340,715 9 138 .000607597
L1 162,562,020 0.9695 167,676,142 7 34 .007434894
Random Totals: 8,221,273,048   8,961,734,098 560 42,864  
Catg D1 Exception Values: 11,062,962   10,961,557      
Catg L1 Exception Values: 76,051,170   76,855,080      
Total Test Values (4): 8,308,387,180   9,049,550,735      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 452,477,537

Confidence Interval Values (5)

Local Test Value: 8,308,387,180 (Outside Confidence Interval)
State Lower Limit: 8,597,073,198 (State Test Value minus Margin of Error Percent)
State Upper Limit: 9,502,028,272 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 8,947,439,184 (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