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Shelby County
2024 Confidence Interval Detail
Shelby County
210-906/Excelsior 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 | 2,252,600 | 0.7317 | 3,078,584 | 12 | 44 | 0.179631074 |
| A | 3 | 1,672,880 | 0.8984 | 1,862,066 | 12 | 17 | 0.029966206 |
| A | 4 | 1,930,660 | 0.8370 | 2,306,643 | 11 | 14 | 0.076228484 |
| A | 5 | 4,249,770 | 0.9187 | 4,625,852 | 8 | 19 | 0.016875504 |
| E | 0 | 12,702,571 | 0.8675 | 14,642,733 | 22 | 130 | 0.174835123 |
| G1 | 2 | 962,290 | 1.0027 | 959,699 | 7 | 22 | 0.000436240 |
| Random Totals: | 23,770,771 | 27,475,577 | 72 | 246 | |||
| CATG D1 EXCEPTION VALUES: | 2,818,248 | 2,164,755 | |||||
| CATG G1 EXCEPTION VALUES: | 2,320,961 | 2,295,251 | |||||
| CATG J EXCEPTION VALUES: | 116,050 | 121,704 | |||||
| Total Test Values | 29,026,030 | 32,057,287 |
Margin of Error
| Margin of Error Percent: | 7.7607468 |
|---|---|
| Margin of Error Value: | 2,487,885 |
Confidence Interval Values(5)
| Local Test Value: | 29,026,030 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 29,569,402 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 34,545,172 | (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