2011 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 | 6,476,260 | 1.0716 | 6,043,542 | 15 | 220 | .200611783 |
| A | 6,529,820 | 0.8609 | 7,584,876 | 10 | 100 | .033096139 |
| A | 6,378,730 | 1.0603 | 6,015,967 | 12 | 56 | .014060081 |
| A | 6,738,750 | 1.2040 | 5,596,968 | 10 | 29 | .124021915 |
| D3 | 17,454,720 | 0.9028 | 19,333,983 | 15 | 1,020 | .033169147 |
| G1 | 4,539,840 | 0.9858 | 4,605,234 | 7 | 19 | .003782722 |
| G1 | 4,930,321 | 0.9780 | 5,041,228 | 5 | 9 | .006969740 |
| G1 | 4,849,050 | 1.0091 | 4,805,322 | 3 | 5 | .011231366 |
| Random Totals: | 57,897,491 | 59,027,120 | 77 | 1,458 | ||
| Catg J Exception Values: | 12,893,298 | 13,433,253 | ||||
| Catg D1 Exception Values: | 6,318,870 | 6,618,507 | ||||
| Catg G1 Exception Values: | 3,791,750 | 3,936,239 | ||||
| Total Test Values (4): | 80,901,409 | 83,015,119 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 4,150,756 |
Confidence Interval Values (5)
| State Lower Limit: | 78,864,363 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 80,901,409 | (Within Confidence Interval) |
| State Upper Limit: | 87,165,875 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 90,476,398 | (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