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Shelby County
2019 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 | 1,356,720 | 0.8735 | 1,553,200 | 9 | 37 | 0.135014300 |
| A | 1,743,470 | 0.9028 | 1,931,181 | 7 | 24 | 0.022860272 |
| A | 692,740 | 0.9947 | 696,431 | 5 | 6 | 0.009715336 |
| A | 2,145,430 | 1.0182 | 2,107,081 | 5 | 14 | 0.012532517 |
| E | 6,233,148 | 1.0359 | 6,017,133 | 20 | 105 | 0.147741504 |
| G1 | 6,365,373 | 1.0103 | 6,300,478 | 6 | 11 | 0.000727497 |
| Random Totals: | 18,536,881 | 18,605,504 | 52 | 197 | ||
| CATG D1 EXCEPTION VALUES: | 2,532,191 | 2,516,423 | ||||
| CATG G1 EXCEPTION VALUES: | 7,658,805 | 7,668,107 | ||||
| CATG J EXCEPTION VALUES: | 124,590 | 135,612 | ||||
| Total Test Values(3) | 28,852,467 | 28,925,646 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,446,282 |
Confidence Interval Values(5)
| Local Test Value: | 28,852,467 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 27,479,364 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 30,371,928 | (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