2011 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 | 7,436,480 | 0.9587 | 7,756,837 | 7 | 280 | .051368092 |
| A | 8,590,940 | 0.9031 | 9,512,723 | 7 | 171 | .063575105 |
| A | 8,749,560 | 0.9321 | 9,386,933 | 7 | 110 | .060522765 |
| A | 8,432,990 | 1.0271 | 8,210,486 | 7 | 57 | .029535417 |
| D3 | 49,346,642 | 1.0851 | 45,476,585 | 16 | 3,109 | .031846182 |
| G1 | 5,926,880 | 0.9720 | 6,097,613 | 8 | 38 | .101159622 |
| G1 | 5,731,770 | 1.0320 | 5,554,041 | 6 | 13 | .005024226 |
| G1 | 6,259,910 | 1.0028 | 6,242,431 | 6 | 9 | .008347878 |
| G1 | 5,104,890 | 0.9753 | 5,234,174 | 2 | 3 | .034004550 |
| Random Totals: | 105,580,062 | 103,471,823 | 66 | 3,790 | ||
| Catg J Exception Values: | 9,695,039 | 7,822,882 | ||||
| Catg D1 Exception Values: | 16,117,988 | 14,014,546 | ||||
| Total Test Values (4): | 131,393,089 | 125,309,251 |
Margin of Error
| Margin of Error Percent: | 5.0000004 |
|---|---|
| Margin of Error Value: | 6,265,463 |
Confidence Interval Values (5)
| State Lower Limit: | 119,043,788 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 131,393,089 | (Within Confidence Interval) |
| State Upper Limit: | 131,574,714 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 149,020,209 | (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