2011 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 | 36,228,609 | 0.8800 | 41,168,874 | 8 | 998 | .080086120 |
| A | 37,441,951 | 0.9114 | 41,081,798 | 7 | 556 | .034711674 |
| A | 36,895,010 | 0.8651 | 42,648,260 | 8 | 344 | .022608646 |
| A | 36,833,860 | 0.9439 | 39,023,053 | 8 | 181 | .008036371 |
| D3 | 83,426,097 | 1.0419 | 80,071,117 | 16 | 3,815 | .030951745 |
| F1 | 18,990,733 | 0.7636 | 24,870,001 | 11 | 282 | .196559955 |
| F1 | 19,940,350 | 0.8520 | 23,404,167 | 9 | 112 | .020927301 |
| F1 | 23,563,930 | 0.7974 | 29,550,953 | 8 | 42 | .015142747 |
| F1 | 23,322,650 | 0.7005 | 33,294,290 | 4 | 9 | .004105210 |
| G1 | 23,579,039 | 1.0322 | 22,843,479 | 11 | 48 | .020952762 |
| G1 | 24,595,410 | 1.0292 | 23,897,600 | 7 | 24 | .004603831 |
| G1 | 22,914,282 | 1.0295 | 22,257,680 | 6 | 15 | .007436097 |
| G1 | 23,015,500 | 1.0163 | 22,646,364 | 5 | 10 | .037027655 |
| L1 | 9,014,120 | 1.0345 | 8,713,504 | 10 | 217 | .036546138 |
| L1 | 10,424,500 | 1.0762 | 9,686,397 | 8 | 45 | .048750934 |
| L1 | 7,871,410 | 1.0303 | 7,639,920 | 6 | 11 | .002989361 |
| L1 | 7,480,850 | 1.0758 | 6,953,755 | 2 | 2 | .000675709 |
| Random Totals: | 445,538,301 | 479,751,212 | 134 | 6,711 | ||
| Catg J Exception Values: | 8,500,609 | 7,006,241 | ||||
| Catg D1 Exception Values: | 19,139,961 | 16,866,116 | ||||
| Total Test Values (4): | 473,178,871 | 503,623,569 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 25,181,178 |
Confidence Interval Values (5)
| Local Test Value: | 473,178,871 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 478,442,391 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 528,804,747 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 583,280,819 | (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