taxes Property Tax Assistance

2021 Confidence Interval Detail

Mason County
157-901/Mason ISD

Category Summary

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

Stratum
Variance
A 31,743,462 1.0411 30,490,310 13 376 0.050082506
A 43,492,838 1.1086 39,232,219 17 301 0.074526557
A 45,182,892 1.1065 40,834,064 15 213 0.013672121
A 51,935,915 1.0230 50,768,245 15 142 0.044420465
E 227,967,483 0.7514 303,390,315 20 1,721 0.346978596
F1 8,181,592 0.8725 9,377,183 9 86 0.180162972
F1 7,218,764 0.8975 8,043,191 9 37 0.050812927
F1 8,748,804 0.9144 9,567,808 8 26 0.024084078
F1 10,376,303 0.9117 11,381,269 6 14 0.016810817
Random Totals: 434,848,053 503,084,604 112 2,916
CATG D1 EXCEPTION VALUES: 50,305,140 53,103,255
CATG J EXCEPTION VALUES: 14,036,470 14,753,762
Total Test Values 499,189,663 570,941,621

Margin of Error

Margin of Error Percent: 13.8657057
Margin of Error Value: 79,165,085

Confidence Interval Values(5)

Local Test Value: 499,189,663 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 491,776,536 (State Test Value minus Margin of Error Percent)
State Upper Limit: 650,106,706 (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