taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
234/Van Zandt
234-907/Wills Point ISD

Category Summary

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

Stratum
Variance
A 44,085,410 0.9275 47,531,439 9 1,040 .058081319
A 38,881,480 0.9243 42,065,866 8 529 .080804686
A 40,548,320 0.9693 41,832,580 15 383 .025653049
A 58,976,840 0.9641 61,172,949 15 343 .011800274
E 151,122,840 0.9792 154,332,966 18 2,072 .029964438
F1 10,942,520 0.8677 12,610,948 12 131 .042165317
F1 10,814,350 0.9005 12,009,273 8 45 .022147296
F1 11,694,310 0.9607 12,172,697 7 23 .007341745
F1 8,570,980 0.8270 10,363,942 4 4 .054920488
Random Totals: 375,637,050   394,092,660 96 4,570  
Catg D1 Exception Values: 9,263,140   6,985,931      
Total Test Values (4): 384,900,190   401,078,591      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 20,053,929

Confidence Interval Values (5)

State Lower Limit: 381,024,662 (State Test Value minus Margin of Error Percent)
Local Test Value: 384,900,190 (Within Confidence Interval)
State Upper Limit: 421,132,520 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 395,581,095 (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