taxes Property Tax Assistance

2017 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 43,805,390 0.9571 45,768,875 18 1,036 .019978001
A 48,895,450 0.8970 54,509,978 23 635 .028526954
A 50,615,790 0.9333 54,233,140 20 431 .024368827
A 69,447,500 0.9412 73,786,124 28 361 .007990034
E 175,318,665 0.9855 177,898,189 42 2,164 .042623688
F1 12,345,990 1.0492 11,767,051 11 123 .017720082
F1 11,609,330 0.9281 12,508,706 9 44 .017357820
F1 13,856,100 0.9286 14,921,495 7 26 .006313880
F1 10,628,460 1.0225 10,394,582 4 6 .005442683
L1 4,889,069 0.9837 4,970,081 11 130 .072289028
L1 4,519,933 0.9882 4,573,905 9 33 .082702268
L1 5,128,560 1.0505 4,882,018 8 18 .010867207
Random Totals: 451,060,237   470,214,144 190 5,007  
Catg J Exception Values: 9,069,010   8,390,521      
Catg D1 Exception Values: 9,173,280   9,120,568      
Catg L1 Exception Values: 11,451,880   11,311,462      
Total Test Values (4): 480,754,407   499,036,695      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 24,951,834

Confidence Interval Values (5)

State Lower Limit: 474,084,861 (State Test Value minus Margin of Error Percent)
Local Test Value: 480,754,407 (Within Confidence Interval)
State Upper Limit: 523,988,529 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 473,838,902 (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, D2, E, 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