taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
234/Van Zandt
234-906/Van ISD

Category Summary

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

Stratum
Variance
A 50,199,160 0.9034 55,566,925 8 999 .029905545
A 46,906,660 0.9835 47,693,604 12 571 .044207638
A 47,469,500 1.0134 46,841,820 7 405 .032244329
A 74,077,580 0.9647 76,788,204 12 401 .025677001
E 245,883,620 0.9620 255,596,279 22 2,881 .020153290
G1 5,713,073 0.9546 5,984,782 8 32 .070220173
G1 7,417,161 1.0077 7,360,485 4 8 .099667308
Random Totals: 477,666,754   495,832,099 73 5,297  
Catg D1 Exception Values: 10,802,340   8,668,444      
Catg G1 Exception Values: 18,724,564   18,235,445      
Total Test Values (4): 507,193,658   522,735,988      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 26,136,799

Confidence Interval Values (5)

State Lower Limit: 496,599,189 (State Test Value minus Margin of Error Percent)
Local Test Value: 507,193,658 (Within Confidence Interval)
State Upper Limit: 548,872,787 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 478,052,883 (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