2006 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 | 28,288,788 | 0.7393 | 38,264,288 | 20 | 950 | .092461004 |
| A | 28,291,981 | 0.8608 | 32,867,078 | 18 | 544 | .095850400 |
| A | 28,293,318 | 0.8077 | 35,029,489 | 15 | 345 | .023280577 |
| A | 28,253,059 | 0.9267 | 30,487,816 | 15 | 187 | .012103160 |
| D3 | 68,925,053 | 0.8914 | 77,322,249 | 20 | 4,541 | .124868991 |
| F1 | 11,756,188 | 0.9560 | 12,297,268 | 11 | 235 | .028196154 |
| F1 | 11,607,855 | 0.7679 | 15,116,363 | 10 | 96 | .055810263 |
| F1 | 12,069,773 | 0.8497 | 14,204,746 | 8 | 37 | .026443803 |
| F1 | 11,291,785 | 0.8681 | 13,007,470 | 6 | 8 | .022899191 |
| L1 | 9,404,164 | 1.0142 | 9,272,495 | 7 | 215 | .002077738 |
| L1 | 9,593,498 | 1.0013 | 9,581,043 | 6 | 43 | .000060210 |
| L1 | 13,210,637 | 0.9901 | 13,342,730 | 4 | 10 | .000400585 |
| Random Totals: | 260,986,099 | 300,793,035 | 140 | 7,211 | ||
| Catg J Exception Values: | 17,278,214 | 19,821,713 | ||||
| Catg D1 Exception Values: | 19,717,432 | 18,785,595 | ||||
| Catg L1 Exception Values: | 7,610,401 | 6,829,046 | ||||
| Total Test Values (4): | 305,592,146 | 346,229,389 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 17,311,469 |
Confidence Interval Values (5)
| Local Test Value: | 305,592,146 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 328,917,920 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 363,540,858 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 343,069,196 | (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, D3, 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