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246/Williamson
2018 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 | 36,433,874 | 0.9438 | 38,603,384 | 16 | 389 | .045985839 |
| A | 42,729,434 | 1.0932 | 39,086,566 | 15 | 257 | .033964189 |
| A | 41,318,147 | 1.0752 | 38,428,336 | 16 | 155 | .024191528 |
| A | 53,171,131 | 1.0185 | 52,205,332 | 14 | 123 | .015531569 |
| E | 139,155,524 | 1.0177 | 136,735,309 | 23 | 883 | .032165443 |
| F1 | 4,625,873 | 0.9777 | 4,731,383 | 8 | 40 | .002126332 |
| F1 | 6,675,651 | 0.8861 | 7,533,744 | 7 | 27 | .017506398 |
| F1 | 3,976,083 | 0.9718 | 4,091,462 | 5 | 8 | .000517954 |
| F1 | 8,490,339 | 0.9327 | 9,102,969 | 3 | 9 | .001679924 |
| Random Totals: | 336,576,056 | 330,518,485 | 107 | 1,891 | ||
| Catg D1 Exception Values: | 3,084,148 | 2,959,844 | ||||
| Total Test Values (4): | 339,660,204 | 333,478,329 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 16,673,916 |
Confidence Interval Values (5)
| State Lower Limit: | 316,804,413 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 339,660,204 | (Within Confidence Interval) |
| State Upper Limit: | 350,152,245 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 332,104,050 | (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, D2, E, 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