2009 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 | 34,358,264 | 0.9208 | 37,313,493 | 7 | 978 | .006359694 |
| A | 34,298,053 | 0.9043 | 37,927,737 | 7 | 531 | .043130139 |
| A | 34,548,890 | 0.8911 | 38,771,058 | 7 | 331 | .015597867 |
| A | 33,533,990 | 1.0051 | 33,363,834 | 7 | 164 | .019622949 |
| D3 | 89,165,920 | 0.9301 | 95,867,025 | 20 | 3,778 | .158094345 |
| F1 | 16,576,220 | 0.9881 | 16,775,853 | 8 | 269 | .003160803 |
| F1 | 16,575,080 | 0.9527 | 17,398,006 | 13 | 103 | .018652634 |
| F1 | 15,877,730 | 0.9934 | 15,983,219 | 6 | 38 | .002382473 |
| F1 | 20,156,820 | 0.9372 | 21,507,490 | 5 | 11 | .006757413 |
| G1 | 18,189,520 | 0.9636 | 18,876,629 | 8 | 34 | .018104631 |
| G1 | 17,671,757 | 1.0577 | 16,707,721 | 5 | 12 | .002768467 |
| G1 | 20,247,380 | 0.9664 | 20,951,345 | 4 | 8 | .007485477 |
| G1 | 15,430,310 | 1.0160 | 15,187,313 | 3 | 5 | .000383565 |
| L1 | 11,792,780 | 1.0007 | 11,784,531 | 7 | 226 | .002774492 |
| L1 | 9,493,240 | 1.0257 | 9,255,377 | 6 | 36 | .001251649 |
| L1 | 19,620,600 | 0.9860 | 19,899,189 | 6 | 18 | .000557360 |
| Random Totals: | 407,536,554 | 427,569,820 | 119 | 6,542 | ||
| Catg J Exception Values: | 18,456,487 | 18,561,759 | ||||
| Catg D1 Exception Values: | 19,749,637 | 20,316,095 | ||||
| Total Test Values (4): | 445,742,678 | 466,447,674 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 23,322,384 |
Confidence Interval Values (5)
| State Lower Limit: | 443,125,290 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 445,742,678 | (Within Confidence Interval) |
| State Upper Limit: | 489,770,058 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 554,487,480 | (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