2008 Confidence Interval Detail
246/Williamson
014-902/Bartlett ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 22,450,663 | 0.9527 | 23,565,302 | 12 | 385 | .012795247 |
| D3 | 5,688,580 | 0.9727 | 5,848,237 | 13 | 447 | .002339037 |
| F1 | 3,496,049 | 0.9972 | 3,505,865 | 11 | 66 | .029213334 |
| Random Totals: | 31,635,292 | 32,919,404 | 36 | 898 | ||
| Catg J Exception Values: | 2,216,668 | 2,218,231 | ||||
| Catg D1 Exception Values: | 4,839,523 | 4,226,965 | ||||
| Total Test Values (4): | 38,691,483 | 39,364,600 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,968,230 |
Confidence Interval Values (5)
| State Lower Limit: | 37,396,370 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 38,691,483 | (Within Confidence Interval) |
| State Upper Limit: | 41,332,830 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 36,190,677 | (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