2007 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 | 4,358,944 | 1.0319 | 4,224,192 | 18 | 222 | .099028050 |
| A | 4,339,805 | 0.8513 | 5,097,856 | 19 | 110 | .147354930 |
| A | 4,395,874 | 0.8153 | 5,391,726 | 16 | 66 | .152159526 |
| A | 4,297,292 | 0.9402 | 4,570,615 | 13 | 33 | .014579650 |
| D3 | 8,965,940 | 0.7442 | 12,047,756 | 20 | 996 | .244504103 |
| F1 | 725,536 | 0.6665 | 1,088,576 | 7 | 44 | .153803273 |
| F1 | 750,090 | 1.1322 | 662,507 | 6 | 14 | .071952537 |
| F1 | 713,163 | 0.8785 | 811,796 | 4 | 6 | .001236981 |
| Random Totals: | 28,546,644 | 33,895,024 | 103 | 1,491 | ||
| Catg J Exception Values: | 10,492,027 | 10,240,336 | ||||
| Catg D1 Exception Values: | 5,950,530 | 6,569,793 | ||||
| Catg F1 Exception Values: | 669,510 | 743,928 | ||||
| Total Test Values (4): | 45,658,711 | 51,449,081 |
Margin of Error
| Margin of Error Percent: | 5.7797592 |
|---|---|
| Margin of Error Value: | 2,973,633 |
Confidence Interval Values (5)
| Local Test Value: | 45,658,711 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 48,475,448 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 54,422,714 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 47,986,824 | (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