taxes Property Tax Assistance

2019 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 26,213,830 0.9228 28,406,838 17 370 0.041992044
A 39,920,730 0.8992 44,395,830 19 322 0.031181468
A 38,201,430 0.9951 38,389,539 18 201 0.009632729
A 46,366,860 1.0127 45,785,386 16 138 0.012370142
E 187,834,540 0.8821 212,940,188 21 1903 0.027841369
F1 7,028,710 1.0005 7,025,197 9 86 0.002409776
F1 7,935,060 0.8316 9,541,919 8 46 0.048562488
F1 7,228,170 0.9592 7,535,623 7 24 0.004063374
F1 7,401,810 0.8161 9,069,734 5 11 0.158529838
Random Totals: 368,131,140 403,090,254 120 3,101
CATG D1 EXCEPTION VALUES: 34,366,790 50,012,964
CATG J EXCEPTION VALUES: 7,356,620 7,064,966
Total Test Values(2) 409,854,550 460,168,184

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 23,008,409

Confidence Interval Values(5)

Local Test Value: 409,854,550 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 437,159,775 (State Test Value minus Margin of Error Percent)
State Upper Limit: 483,176,593 (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