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Shelby County
2021 Confidence Interval Detail
Shelby County
210-906/Excelsior ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,566,950 | 0.8426 | 1,859,661 | 13 | 41 | 0.098854786 |
| A | 1,551,560 | 0.7671 | 2,022,631 | 9 | 21 | 0.074833228 |
| A | 1,422,470 | 0.8496 | 1,674,282 | 7 | 12 | 0.059896365 |
| A | 1,549,440 | 0.8322 | 1,861,860 | 5 | 9 | 0.005848906 |
| D2 | 1,805,530 | 1.0745 | 1,680,344 | 12 | 15 | 0.002039570 |
| E | 6,831,102 | 0.9396 | 7,270,223 | 20 | 116 | 0.049965562 |
| G1 | 1,480,380 | 0.9780 | 1,513,681 | 7 | 18 | 0.000058597 |
| Random Totals: | 16,207,432 | 17,882,682 | 73 | 232 | ||
| CATG D1 EXCEPTION VALUES: | 2,633,571 | 2,443,876 | ||||
| CATG G1 EXCEPTION VALUES: | 4,815,218 | 5,046,340 | ||||
| CATG J EXCEPTION VALUES: | 120,270 | 139,029 | ||||
| Total Test Values | 23,776,491 | 25,511,927 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,275,596 |
Confidence Interval Values(5)
| Local Test Value: | 23,776,491 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 24,236,331 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 26,787,523 | (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