taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
234/Van Zandt
234-904/Grand Saline ISD

Category Summary

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

Stratum
Variance
A 23,340,930 0.9610 24,288,169 16 571 .028473624
A 18,830,990 0.9858 19,102,242 7 284 .003670794
A 23,271,700 0.9966 23,351,094 16 251 .023101234
A 26,222,370 0.9720 26,977,747 10 172 .008287248
E 105,949,580 0.9652 109,769,561 15 1,244 .023449717
F1 3,628,910 0.7342 4,942,672 9 75 .233483792
F1 3,583,850 0.8013 4,472,545 7 28 .067169983
F1 3,780,350 0.5583 6,771,180 5 10 .147988129
F1 3,188,630 0.8832 3,610,315 2 3 .006280026
Random Totals: 211,797,310   223,285,525 87 2,638  
Catg J Exception Values: 6,889,846   6,974,068      
Catg D1 Exception Values: 6,138,190   4,588,187      
Total Test Values (4): 224,825,346   234,847,780      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,742,389

Confidence Interval Values (5)

State Lower Limit: 223,105,391 (State Test Value minus Margin of Error Percent)
Local Test Value: 224,825,346 (Within Confidence Interval)
State Upper Limit: 246,590,169 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 234,947,933 (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