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246/Williamson
2016 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 | 28,854,295 | 0.8097 | 35,635,785 | 10 | 372 | .055022718 |
| A | 36,047,527 | 1.0099 | 35,694,155 | 11 | 265 | .029662732 |
| A | 29,010,237 | 0.8855 | 32,761,420 | 9 | 133 | .044791054 |
| A | 47,120,852 | 1.0269 | 45,886,505 | 9 | 138 | .022620169 |
| E | 96,261,457 | 0.9606 | 100,209,720 | 16 | 779 | .025975468 |
| F1 | 4,471,914 | 1.0336 | 4,326,542 | 8 | 41 | .147279142 |
| F1 | 4,575,074 | 0.8507 | 5,378,011 | 7 | 20 | .108005858 |
| F1 | 4,144,419 | 1.0288 | 4,028,401 | 5 | 9 | .073042586 |
| F1 | 4,444,011 | 1.0537 | 4,217,530 | 3 | 4 | .011407370 |
| Random Totals: | 254,929,786 | 268,138,069 | 78 | 1,761 | ||
| Catg J Exception Values: | 1,232,769 | 1,356,353 | ||||
| Catg D1 Exception Values: | 3,881,913 | 3,888,705 | ||||
| Total Test Values (4): | 260,044,468 | 273,383,127 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 13,669,156 |
Confidence Interval Values (5)
| State Lower Limit: | 259,713,971 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 260,044,468 | (Within Confidence Interval) |
| State Upper Limit: | 287,052,283 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 270,302,003 | (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