taxes Property Tax Assistance

2020 Confidence Interval Detail

Matagorda County
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 97,404,019 0.9033 107,831,306 15 1,394 0.066769321
A 113,092,997 0.9031 125,227,546 16 783 0.058889558
A 108,652,121 0.9750 111,438,073 15 526 0.033233428
A 128,523,223 1.0557 121,742,183 15 400 0.030539123
C1 22,767,024 0.8162 27,893,928 15 3,557 0.123074846
C1 14,011,458 0.8134 17,225,791 10 515 0.224926492
C1 25,269,990 0.9074 27,848,788 10 461 0.039152069
C1 16,654,320 1.0146 16,414,666 10 178 0.076428967
E 74,597,001 0.8432 88,468,929 17 1,109 0.329090169
Random Totals: 600,972,153 644,091,210 123 8,923
CATG D1 EXCEPTION VALUES: 17,163,197 11,653,822
CATG J EXCEPTION VALUES: 12,270,330 19,615,941
Total Test Values 630,405,680 675,360,973

Margin of Error

Margin of Error Percent: 5.3303233
Margin of Error Value: 35,998,923

Confidence Interval Values(5)

Local Test Value: 630,405,680 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 639,362,050 (State Test Value minus Margin of Error Percent)
State Upper Limit: 711,359,896 (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