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210/Shelby
2018 Confidence Interval Detail
210/Shelby
210-901/Center ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 37,216,793 | 0.9032 | 41,205,484 | 17 | 1,039 | .103936571 |
| A | 37,650,610 | 0.8838 | 42,600,826 | 17 | 520 | .064072438 |
| A | 40,229,634 | 0.9398 | 42,806,591 | 14 | 334 | .028513498 |
| A | 37,158,910 | 1.0388 | 35,770,995 | 15 | 174 | .021124626 |
| E | 97,548,492 | 1.1727 | 83,182,819 | 21 | 1,295 | .088522356 |
| F1 | 25,225,850 | 0.8481 | 29,743,957 | 14 | 257 | .063765252 |
| F1 | 26,892,530 | 0.8660 | 31,053,730 | 13 | 112 | .036470586 |
| F1 | 25,788,000 | 0.8035 | 32,094,586 | 11 | 44 | .054742736 |
| F1 | 29,196,160 | 1.0010 | 29,166,993 | 7 | 15 | .034172230 |
| G1 | 10,299,089 | 1.0079 | 10,218,364 | 9 | 72 | .000128252 |
| G1 | 10,727,471 | 0.9967 | 10,762,989 | 5 | 12 | .000656338 |
| G1 | 13,941,054 | 1.0136 | 13,754,000 | 3 | 4 | .000086809 |
| L1 | 10,032,810 | 1.0145 | 9,889,414 | 9 | 186 | .037502156 |
| L1 | 9,940,080 | 1.0028 | 9,912,325 | 9 | 40 | .026660900 |
| L1 | 12,034,370 | 0.9938 | 12,109,449 | 8 | 18 | .002981876 |
| Random Totals: | 423,881,853 | 434,272,522 | 172 | 4,122 | ||
| Catg J Exception Values: | 22,163,490 | 23,165,765 | ||||
| Catg D1 Exception Values: | 19,052,816 | 18,673,153 | ||||
| Catg G1 Exception Values: | 5,874,938 | 6,105,187 | ||||
| Catg L1 Exception Values: | 10,042,560 | 9,464,401 | ||||
| Total Test Values (4): | 481,015,657 | 491,681,028 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 24,584,051 |
Confidence Interval Values (5)
| State Lower Limit: | 467,096,977 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 481,015,657 | (Within Confidence Interval) |
| State Upper Limit: | 516,265,079 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 556,947,384 | (See ISD Summary Worksheet) |
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
(6) Includes local value of unstudied property categories and sub-categories