2008 Confidence Interval Detail
043/Collin
043-917/Blue Ridge ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 20,494,859 | 0.9619 | 21,306,642 | 10 | 395 | .015269907 |
| A | 21,243,598 | 0.9936 | 21,380,433 | 9 | 192 | .001636070 |
| D3 | 65,957,635 | 1.0272 | 64,211,093 | 38 | 2,425 | .021662157 |
| Random Totals: | 107,696,092 | 106,898,168 | 57 | 3,012 | ||
| Catg J Exception Values: | 8,098,454 | 8,735,883 | ||||
| Catg D1 Exception Values: | 4,067,787 | 3,891,201 | ||||
| Total Test Values (4): | 119,862,333 | 119,525,252 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 5,976,263 |
Confidence Interval Values (5)
| State Lower Limit: | 113,548,989 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 119,862,333 | (Within Confidence Interval) |
| State Upper Limit: | 125,501,515 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 116,448,884 | (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