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 | 0.9374 | 28,252,258 | 17 | 1,259 | .053447860 |
| A | 27,683,959 | 0.8663 | 31,956,550 | 15 | 656 | .107875808 |
| A | 29,999,890 | 0.9630 | 31,152,534 | 15 | 404 | .068090692 |
| A | 33,166,710 | 1.0255 | 32,341,989 | 16 | 295 | .005177792 |
| 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 | 136,635,021 | 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 | 144,049,667 |
Margin of Error
| Margin of Error Percent: | 5.1879641 |
|---|---|
| Margin of Error Value: | 7,473,245 |
Confidence Interval Values (5)
| State Lower Limit: | 136,576,422 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 137,547,802 | (Within Confidence Interval) |
| State Upper Limit: | 151,522,912 | (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