2007 Confidence Interval Detail
109/Hill
109-903/Covington ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,584,972 | 0.9527 | 3,762,960 | 6 | 86 | .012831681 |
| A | 3,521,093 | 1.0917 | 3,225,330 | 6 | 49 | .013198635 |
| A | 3,530,439 | 0.9764 | 3,615,771 | 6 | 35 | .007152279 |
| A | 3,504,339 | 0.9418 | 3,720,895 | 7 | 25 | .036280552 |
| D3 | 33,470,150 | 0.9357 | 35,770,172 | 29 | 1,154 | .153948346 |
| Random Totals: | 47,610,993 | 50,095,128 | 54 | 1,349 | ||
| Catg J Exception Values: | 1,464,764 | 1,522,545 | ||||
| Catg D1 Exception Values: | 2,530,299 | 2,143,083 | ||||
| Total Test Values (4): | 51,606,056 | 53,760,756 |
Margin of Error
| Margin of Error Percent: | 9.7020827 |
|---|---|
| Margin of Error Value: | 5,215,913 |
Confidence Interval Values (5)
| State Lower Limit: | 48,544,843 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 51,606,056 | (Within Confidence Interval) |
| State Upper Limit: | 58,976,669 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 47,806,311 | (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