taxes Property Tax Assistance

2020 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 37,363,620 0.9018 41,432,269 14 440 0.069597190
A 36,624,970 0.8988 40,748,743 13 255 0.096002250
A 37,540,620 0.8786 42,727,771 13 176 0.047783284
A 36,408,080 1.0070 36,154,995 12 98 0.017502113
E 216,186,710 0.9486 227,900,812 20 1,886 0.241801575
F1 6,496,920 0.9706 6,693,715 9 73 0.011105956
F1 9,183,820 0.9639 9,527,773 11 53 0.002927781
F1 8,725,700 0.9484 9,200,443 8 28 0.027416603
F1 9,426,940 0.9284 10,153,964 5 14 0.016918001
Random Totals: 397,957,380 424,540,485 105 3,023
CATG D1 EXCEPTION VALUES: 49,964,335 49,968,017
CATG J EXCEPTION VALUES: 883,290 897,513
Total Test Values 448,805,005 475,406,015

Margin of Error

Margin of Error Percent: 10.6417900
Margin of Error Value: 50,591,710

Confidence Interval Values(5)

Local Test Value: 448,805,005 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 424,814,305 (State Test Value minus Margin of Error Percent)
State Upper Limit: 525,997,725 (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