taxes Property Tax Assistance

2018 Confidence Interval Detail

158/Matagorda
158-906/Van Vleck ISD

Category Summary

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

Stratum
Variance
A 185,762,060 0.9249 200,845,562 14 1,980 .016455713
A 202,059,174 1.0102 200,018,980 14 822 .024543133
C1 14,782,413 0.7715 19,160,613 7 2,007 .144908824
C1 14,420,600 0.9440 15,276,059 7 568 .039692104
C1 14,299,680 0.9736 14,687,428 6 264 .002808864
C1 14,103,910 0.8378 16,834,459 7 166 .025190001
E 66,056,624 0.9386 70,377,822 10 1,176 .033661262
Random Totals: 511,484,461   537,200,923 65 6,983  
Catg J Exception Values: 14,267,110   13,218,501      
Catg D1 Exception Values: 16,945,478   13,809,247      
Total Test Values (4): 542,697,049   564,228,671      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 28,211,433

Confidence Interval Values (5)

State Lower Limit: 536,017,238 (State Test Value minus Margin of Error Percent)
Local Test Value: 542,697,049 (Within Confidence Interval)
State Upper Limit: 592,440,104 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 605,644,143 (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