2008 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 | 21,303,776 | 0.8997 | 23,678,755 | 15 | 335 | .048378221 |
| A | 21,111,910 | 0.9813 | 21,514,226 | 15 | 209 | .006170109 |
| A | 19,652,602 | 1.0411 | 18,876,767 | 15 | 129 | .011650064 |
| A | 36,529,892 | 0.9984 | 36,588,433 | 14 | 138 | .029591098 |
| D3 | 79,133,795 | 0.9532 | 83,019,088 | 22 | 1,758 | .044316049 |
| Random Totals: | 177,731,975 | 183,677,269 | 81 | 2,569 | ||
| Catg D1 Exception Values: | 4,532,654 | 3,311,880 | ||||
| Total Test Values (4): | 182,264,629 | 186,989,149 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,349,457 |
Confidence Interval Values (5)
| State Lower Limit: | 177,639,692 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 182,264,629 | (Within Confidence Interval) |
| State Upper Limit: | 196,338,606 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 219,677,566 | (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