taxes Property Tax Assistance

2019 Confidence Interval Detail

Van Zandt County
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 24,735,170 0.8163 30,301,568 12 558 0.100020367
A 27,178,630 0.9926 27,381,251 12 345 0.020905235
A 30,518,390 0.9280 32,886,196 12 252 0.021731403
A 42,136,110 0.9193 45,834,994 15 209 0.014319269
E 158,198,300 0.9692 163,225,650 22 1323 0.132895553
F1 4,225,180 0.6156 6,863,515 9 74 0.134280235
F1 4,822,190 0.7155 6,739,609 7 28 0.084014070
F1 4,440,169 0.9321 4,763,619 5 10 0.014073282
F1 5,364,550 0.8275 6,482,840 3 5 0.021328206
Random Totals: 301,618,689 324,479,242 97 2,804
CATG D1 EXCEPTION VALUES: 7,413,077 7,349,346
CATG J EXCEPTION VALUES: 8,745,809 8,904,925
Total Test Values(2) 317,777,575 340,733,513

Margin of Error

Margin of Error Percent: 7.6385498
Margin of Error Value: 26,027,099

Confidence Interval Values(5)

Local Test Value: 317,777,575 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 314,706,414 (State Test Value minus Margin of Error Percent)
State Upper Limit: 366,760,612 (State Test Value plus Margin of Error Percent)

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