taxes Property Tax Assistance

2023 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 9,455,082 0.6173 15,316,835 12 279 0.136891161
A 11,625,990 0.8121 14,315,959 12 164 0.069436958
A 13,872,702 0.8552 16,221,588 12 120 0.069946212
A 12,132,200 0.8707 13,933,846 12 62 0.048314944
D2 13,395,141 0.5747 23,308,058 10 203 0.227313207
E 79,345,172 0.8660 91,622,600 19 961 0.050749609
Random Totals: 139,826,287 174,718,886 77 1,789
CATG D1 EXCEPTION VALUES: 15,104,862 10,845,327
CATG J EXCEPTION VALUES: 11,113,560 11,647,588
Total Test Values 166,044,709 197,211,801

Margin of Error

Margin of Error Percent: 6.3332258
Margin of Error Value: 12,489,869

Confidence Interval Values(5)

Local Test Value: 166,044,709 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 184,721,932 (State Test Value minus Margin of Error Percent)
State Upper Limit: 209,701,670 (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