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Shelby County
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 | 0.7216 | 15,822,967 | 13 | 296 | 0.350615993 |
| A | 3 | 11,497,300 | 0.9241 | 12,441,619 | 12 | 142 | 0.041793391 |
| A | 4 | 14,959,715 | 0.8151 | 18,353,227 | 12 | 121 | 0.101737900 |
| A | 5 | 19,901,950 | 0.8989 | 22,140,338 | 12 | 93 | 0.065990574 |
| D2 | 0 | 19,829,902 | 0.7457 | 26,592,332 | 14 | 227 | 0.151744793 |
| E | 0 | 95,854,299 | 0.8775 | 109,235,668 | 20 | 1,060 | 0.154458882 |
| Random Totals: | 173,461,019 | 204,586,151 | 83 | 1,939 | |||
| CATG D1 EXCEPTION VALUES: | 15,259,192 | 11,003,022 | |||||
| CATG J EXCEPTION VALUES: | 11,433,777 | 11,997,784 | |||||
| Total Test Values | 200,153,988 | 227,586,957 |
Margin of Error
| Margin of Error Percent: | 9.1491036 |
|---|---|
| Margin of Error Value: | 20,822,166 |
Confidence Interval Values(5)
| Local Test Value: | 200,153,988 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 206,764,791 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 248,409,123 | (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