2009 Confidence Interval Detail
071/El Paso
071-904/San Elizario ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 26,483,667 | 0.9113 | 29,061,414 | 17 | 1,259 | .073019130 |
| A | 27,683,959 | 0.8115 | 34,114,552 | 15 | 656 | .110457612 |
| A | 29,999,890 | 0.9057 | 33,123,429 | 15 | 404 | .068837038 |
| A | 33,166,710 | 1.0035 | 33,051,031 | 16 | 295 | .004208430 |
| C | 1,960,012 | 0.9515 | 2,059,918 | 11 | 148 | .011457854 |
| C | 2,020,274 | 0.9891 | 2,042,538 | 10 | 126 | .000882554 |
| C | 1,892,054 | 1.0024 | 1,887,524 | 9 | 108 | .004286795 |
| C | 2,509,977 | 1.0467 | 2,397,991 | 10 | 76 | .020129076 |
| F1 | 2,181,669 | 1.0375 | 2,102,813 | 8 | 26 | .008118454 |
| F1 | 2,575,888 | 1.0553 | 2,440,906 | 5 | 15 | .016033226 |
| Random Totals: | 130,474,100 | 142,282,116 | 116 | 3,113 | ||
| Catg D1 Exception Values: | 3,115,860 | 2,934,469 | ||||
| Catg F1 Exception Values: | 3,957,842 | 4,480,177 | ||||
| Total Test Values (4): | 137,547,802 | 149,696,762 |
Margin of Error
| Margin of Error Percent: | 5.4702165 |
|---|---|
| Margin of Error Value: | 8,188,737 |
Confidence Interval Values (5)
| Local Test Value: | 137,547,802 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 141,508,025 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 157,885,499 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 141,705,076 | (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