2007 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 | 25,522,553 | 1.0816 | 23,597,035 | 7 | 391 | .045729659 |
| A | 25,536,766 | 0.9760 | 26,164,719 | 9 | 252 | .049413488 |
| A | 25,573,100 | 0.9815 | 26,055,120 | 8 | 176 | .002262757 |
| A | 25,345,553 | 0.9796 | 25,873,370 | 8 | 106 | .021545982 |
| D3 | 81,679,341 | 0.9708 | 84,136,116 | 30 | 1,986 | .055086802 |
| Random Totals: | 183,657,313 | 185,826,360 | 62 | 2,911 | ||
| Catg D1 Exception Values: | 4,521,078 | 3,863,741 | ||||
| Total Test Values (4): | 188,178,391 | 189,690,101 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,484,505 |
Confidence Interval Values (5)
| State Lower Limit: | 180,205,596 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 188,178,391 | (Within Confidence Interval) |
| State Upper Limit: | 199,174,606 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 215,973,767 | (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