2010 Confidence Interval Detail
246/Williamson
246-902/Florence ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 23,378,700 | 0.8904 | 26,256,402 | 11 | 366 | .011415252 |
| A | 27,771,787 | 0.9631 | 28,835,829 | 10 | 247 | .020415963 |
| A | 25,920,183 | 0.9444 | 27,446,191 | 9 | 140 | .003797919 |
| A | 24,329,435 | 0.9614 | 25,306,257 | 9 | 83 | .003485648 |
| D3 | 72,960,751 | 1.0433 | 69,932,667 | 17 | 1,802 | .125982525 |
| F1 | 3,479,544 | 0.9885 | 3,520,024 | 8 | 40 | .001336842 |
| F1 | 2,873,357 | 0.9873 | 2,910,318 | 6 | 17 | .000756499 |
| F1 | 3,539,068 | 1.0043 | 3,523,915 | 5 | 12 | .000883631 |
| F1 | 3,400,911 | 1.0055 | 3,382,308 | 3 | 5 | .000053817 |
| Random Totals: | 187,653,736 | 191,113,911 | 78 | 2,712 | ||
| Catg J Exception Values: | 6,885,329 | 6,518,141 | ||||
| Catg D1 Exception Values: | 4,471,082 | 3,796,356 | ||||
| Total Test Values (4): | 199,010,147 | 201,428,408 |
Margin of Error
| Margin of Error Percent: | 6.1652803 |
|---|---|
| Margin of Error Value: | 12,418,626 |
Confidence Interval Values (5)
| State Lower Limit: | 189,009,782 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 199,010,147 | (Within Confidence Interval) |
| State Upper Limit: | 213,847,034 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 229,730,797 | (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