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198/Robertson
2017 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 | 5,725,635 | 0.6718 | 8,522,827 | 17 | 199 | .235245747 |
| A | 7,055,557 | 0.8466 | 8,333,991 | 16 | 112 | .031953979 |
| A | 8,185,218 | 0.8529 | 9,596,926 | 18 | 74 | .081098426 |
| A | 8,063,895 | 1.0250 | 7,867,215 | 16 | 36 | .038685916 |
| D2 | 5,854,747 | 0.7436 | 7,873,517 | 10 | 166 | .266824448 |
| E | 21,581,815 | 0.8955 | 24,100,296 | 23 | 312 | .137793163 |
| Random Totals: | 56,466,867 | 66,294,772 | 100 | 899 | ||
| Catg J Exception Values: | 19,354,048 | 20,021,260 | ||||
| Catg D1 Exception Values: | 6,734,835 | 6,661,115 | ||||
| Total Test Values (4): | 82,555,750 | 92,977,147 |
Margin of Error
| Margin of Error Percent: | 5.3217271 |
|---|---|
| Margin of Error Value: | 4,947,990 |
Confidence Interval Values (5)
| Local Test Value: | 82,555,750 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 88,029,157 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 97,925,137 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 111,013,256 | (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, D2, E, 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