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 0.9052 1,452,877,606 74 9,746 .029502814
A 1,471,724,325 0.8969 1,640,901,243 84 6,061 .022133504
A 1,469,656,635 0.9331 1,575,025,865 76 4,208 .010630276
A 1,435,862,632 0.9175 1,564,972,896 75 2,829 .020155031
C1 200,349,249 0.8842 226,588,158 50 9,771 .121294916
C1 145,335,662 0.8774 165,643,563 50 3,043 .103128855
C1 158,310,262 0.9859 160,574,360 49 1,978 .051473339
C1 198,216,060 0.9232 214,705,438 21 717 .049947759
E 481,835,464 0.8062 597,662,446 20 2,433 .091694442
F1 210,517,710 0.9824 214,289,200 10 649 .011043828
F1 226,482,985 0.9044 250,423,469 10 269 .026295176
F1 230,643,407 1.0436 221,007,481 9 128 .062998568
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   8,983,731,639 562 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   9,071,548,276      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 453,577,414

Confidence Interval Values (5)

Local Test Value: 8,308,387,180 (Outside Confidence Interval)
State Lower Limit: 8,617,970,862 (State Test Value minus Margin of Error Percent)
State Upper Limit: 9,525,125,690 (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