taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
107/Henderson
129-905/Mabank ISD

Category Summary

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

Stratum
Variance
A 150,801,200 0.9106 165,606,413 12 2,415 .053039422
A 148,789,400 1.0156 146,503,939 12 1,098 .065476100
A 148,908,730 0.9383 158,700,554 10 620 .035232443
A 145,175,750 1.0029 144,755,958 10 360 .012020819
C 11,363,740 0.5199 21,857,550 10 3,734 .993249096
C 11,566,810 1.0600 10,912,085 10 485 .033903592
C 11,288,590 0.9905 11,396,860 9 124 .011851092
C 11,351,240 0.9594 11,831,603 8 43 .010880725
F1 30,951,840 0.9019 34,318,483 10 196 .054729882
F1 28,244,490 0.9819 28,765,139 9 71 .003401391
F1 28,135,090 1.0281 27,366,103 8 32 .005036603
F1 33,387,080 0.9694 34,440,974 5 11 .010944789
L1 11,090,970 1.0191 10,883,103 9 192 .012551774
L1 10,150,180 1.0583 9,591,023 8 48 .013434482
L1 8,990,490 1.0424 8,624,799 6 14 .002899851
Random Totals: 790,195,600   825,554,586 136 9,443  
Catg D1 Exception Values: 608,770   519,017      
Catg L1 Exception Values: 8,711,760   8,217,642      
Total Test Values (4): 799,516,130   834,291,245      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 41,714,562

Confidence Interval Values (5)

State Lower Limit: 792,576,683 (State Test Value minus Margin of Error Percent)
Local Test Value: 799,516,130 (Within Confidence Interval)
State Upper Limit: 876,005,807 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 749,136,729 (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