taxes Property Tax Assistance

2024 Confidence Interval Detail

Shelby County
210-905/Timpson ISD

Category Summary

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

Stratum
Variance
A 2 11,417,853 0.6877 16,602,956 13 296 0.355313474
A 3 11,497,300 0.8788 13,082,954 12 142 0.047768197
A 4 14,959,715 0.7862 19,027,875 12 121 0.094245853
A 5 19,901,950 0.8873 22,429,787 12 93 0.059234443
D2 0 19,829,902 0.6000 33,049,837 14 227 0.216936620
E 0 95,854,299 0.8455 113,369,957 20 1,060 0.172474119
Random Totals: 173,461,019 217,563,366 83 1,939
CATG D1 EXCEPTION VALUES: 15,259,282 10,999,808
CATG J EXCEPTION VALUES: 11,433,777 12,057,148
Total Test Values 200,154,078 240,620,322

Margin of Error

Margin of Error Percent: 9.6866751
Margin of Error Value: 23,308,109

Confidence Interval Values(5)

Local Test Value: 200,154,078 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 217,312,213 (State Test Value minus Margin of Error Percent)
State Upper Limit: 263,928,431 (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