2006 Confidence Interval Detail
198/Robertson
198-902/Calvert ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,345,552 | 1.0144 | 4,283,864 | 17 | 247 | .045170716 |
| A | 4,327,657 | 1.1486 | 3,767,767 | 17 | 120 | .075297945 |
| A | 4,338,365 | 0.8658 | 5,010,817 | 15 | 71 | .010140838 |
| A | 4,288,366 | 0.9329 | 4,596,812 | 16 | 37 | .018684559 |
| D3 | 8,724,900 | 0.9848 | 8,859,565 | 26 | 991 | .050099353 |
| F1 | 734,710 | 0.9176 | 800,687 | 6 | 44 | .014590437 |
| F1 | 706,204 | 0.9084 | 777,415 | 5 | 13 | .064852961 |
| F1 | 733,541 | 1.0343 | 709,215 | 3 | 6 | .020451943 |
| Random Totals: | 28,199,295 | 28,806,142 | 105 | 1,529 | ||
| Catg J Exception Values: | 10,954,070 | 11,153,139 | ||||
| Catg D1 Exception Values: | 5,974,270 | 6,719,927 | ||||
| Catg F1 Exception Values: | 669,510 | 664,099 | ||||
| Total Test Values (4): | 45,797,145 | 47,343,307 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,367,165 |
Confidence Interval Values (5)
| State Lower Limit: | 44,976,142 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 45,797,145 | (Within Confidence Interval) |
| State Upper Limit: | 49,710,472 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 49,467,715 | (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