2008 Confidence Interval Detail
210/Shelby
210-905/Timpson ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,836,993 | 0.7550 | 10,380,123 | 11 | 289 | .191789669 |
| A | 7,423,163 | 1.0621 | 6,989,138 | 10 | 148 | .016335500 |
| A | 6,923,151 | 1.0219 | 6,774,783 | 10 | 90 | .023834572 |
| A | 7,971,091 | 1.0758 | 7,409,454 | 9 | 59 | .002859290 |
| D3 | 41,813,950 | 0.9887 | 42,291,848 | 41 | 3,061 | .031535177 |
| G1 | 16,641,630 | 1.0180 | 16,347,377 | 6 | 30 | .013363874 |
| G1 | 16,797,290 | 1.0062 | 16,693,789 | 5 | 13 | .009361865 |
| G1 | 16,810,640 | 0.9711 | 17,310,926 | 4 | 9 | .006209669 |
| G1 | 15,939,700 | 1.0259 | 15,537,284 | 2 | 3 | .000154779 |
| Random Totals: | 138,157,608 | 139,734,722 | 98 | 3,702 | ||
| Catg J Exception Values: | 5,959,114 | 5,815,010 | ||||
| Catg D1 Exception Values: | 13,873,400 | 14,364,572 | ||||
| Total Test Values (4): | 157,990,122 | 159,914,304 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 7,995,715 |
Confidence Interval Values (5)
| State Lower Limit: | 151,918,589 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 157,990,122 | (Within Confidence Interval) |
| State Upper Limit: | 167,910,019 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 177,901,092 | (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