taxes Property Tax Assistance

2021 Confidence Interval Detail

Shelby County
210-905/Timpson ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 9,010,103 0.8214 10,969,203 16 303 0.128479523
A 9,783,311 0.8952 10,928,632 17 157 0.050021147
A 8,993,510 0.9959 9,030,535 16 86 0.045875478
A 9,622,570 0.9550 10,075,990 12 53 0.026016852
D2 10,541,780 1.0494 10,045,531 11 115 0.008960330
E 60,958,368 0.9975 61,111,146 24 912 0.132924465
Random Totals: 108,909,642 112,161,037 96 1,626
CATG D1 EXCEPTION VALUES: 15,286,860 13,470,423
CATG J EXCEPTION VALUES: 9,586,020 10,056,990
Total Test Values 133,782,522 135,688,450

Margin of Error

Margin of Error Percent: 6.8305404
Margin of Error Value: 9,268,254

Confidence Interval Values(5)

Local Test Value: 133,782,522 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 126,420,196 (State Test Value minus Margin of Error Percent)
State Upper Limit: 144,956,704 (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