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227/Travis
2018 Confidence Interval Detail
227/Travis
011-902/Elgin ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 32,593,327 | 0.9518 | 34,243,882 | 15 | 238 | .007876206 |
| A | 52,524,548 | 0.9544 | 55,034,103 | 21 | 327 | .001937442 |
| A | 63,572,054 | 0.9836 | 64,632,019 | 29 | 349 | .010493165 |
| A | 98,287,216 | 1.0827 | 90,779,732 | 27 | 417 | .021287258 |
| E | 47,280,285 | 0.7837 | 60,329,571 | 13 | 397 | .187827188 |
| Random Totals: | 294,257,430 | 305,019,307 | 105 | 1,728 | ||
| Catg D1 Exception Values: | 5,740,039 | 8,925,723 | ||||
| Total Test Values (4): | 299,997,469 | 313,945,030 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 15,697,251 |
Confidence Interval Values (5)
| State Lower Limit: | 298,247,779 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 299,997,469 | (Within Confidence Interval) |
| State Upper Limit: | 329,642,281 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 286,627,221 | (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