2008 Confidence Interval Detail
210/Shelby
210-903/Shelbyville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,087,692 | 0.8975 | 6,782,944 | 8 | 231 | .105764859 |
| A | 5,454,560 | 0.8752 | 6,232,358 | 7 | 113 | .026050484 |
| A | 5,879,240 | 1.1289 | 5,207,937 | 8 | 84 | .009872124 |
| A | 6,002,939 | 1.1001 | 5,456,721 | 9 | 50 | .005318276 |
| D3 | 53,314,440 | 0.9215 | 57,856,148 | 27 | 3,310 | .132765486 |
| G1 | 32,278,941 | 0.9300 | 34,708,539 | 10 | 46 | .055598196 |
| G1 | 31,527,929 | 1.0200 | 30,909,734 | 7 | 21 | .000767882 |
| G1 | 31,170,472 | 1.0028 | 31,083,438 | 5 | 12 | .001298092 |
| G1 | 30,789,623 | 1.0329 | 29,808,910 | 4 | 7 | .002088242 |
| Random Totals: | 202,505,836 | 208,046,729 | 85 | 3,874 | ||
| Catg J Exception Values: | 2,480,565 | 2,524,488 | ||||
| Catg D1 Exception Values: | 15,183,960 | 15,591,720 | ||||
| Total Test Values (4): | 220,170,361 | 226,162,937 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 11,308,147 |
Confidence Interval Values (5)
| State Lower Limit: | 214,854,790 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 220,170,361 | (Within Confidence Interval) |
| State Upper Limit: | 237,471,084 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 240,958,633 | (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
