taxes Property Tax Assistance

2020 Confidence Interval Detail

Matagorda County
158-902/Tidehaven ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 23,262,520 0.8259 28,166,267 14 504 0.060049488
A 23,904,510 0.8892 26,883,165 13 279 0.031608652
A 25,448,110 0.9262 27,475,826 14 182 0.035455060
A 25,974,530 0.9558 27,175,696 12 107 0.023113631
E 74,226,502 0.9175 80,900,820 19 756 0.136154445
Random Totals: 172,816,172 190,601,774 72 1,828
CATG D1 EXCEPTION VALUES: 33,525,975 30,697,813
CATG J EXCEPTION VALUES: 32,153,890 30,736,279
Total Test Values 238,496,037 252,035,866

Margin of Error

Margin of Error Percent: 5.8023585
Margin of Error Value: 14,624,024

Confidence Interval Values(5)

Local Test Value: 238,496,037 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 237,411,842 (State Test Value minus Margin of Error Percent)
State Upper Limit: 266,659,890 (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