2009 Confidence Interval Detail
214/Starr
214-901/Rio Grande City ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 76,633,910 | 0.9729 | 78,768,537 | 14 | 3,812 | .155757116 |
| A | 77,401,960 | 0.7169 | 107,967,583 | 15 | 2,146 | .062103922 |
| A | 78,347,230 | 0.8341 | 93,930,260 | 15 | 1,266 | .015155904 |
| A | 87,072,970 | 0.8853 | 98,354,196 | 15 | 691 | .038336297 |
| C | 15,635,090 | 0.3572 | 43,771,249 | 8 | 3,305 | .599885194 |
| C | 15,195,340 | 1.2165 | 12,491,032 | 7 | 1,641 | .044445742 |
| C | 14,983,320 | 0.9021 | 16,609,378 | 8 | 791 | .061071934 |
| C | 13,690,710 | 1.2119 | 11,296,897 | 7 | 171 | .393564860 |
| F1 | 28,515,310 | 0.8691 | 32,810,160 | 9 | 308 | .018229156 |
| F1 | 32,454,400 | 0.8522 | 38,083,079 | 8 | 95 | .020602815 |
| F1 | 27,184,650 | 0.9397 | 28,929,073 | 7 | 28 | .009418826 |
| F1 | 27,071,890 | 0.9010 | 30,046,493 | 3 | 6 | .003735174 |
| G1 | 173,650,798 | 1.1049 | 157,164,266 | 7 | 221 | .063309913 |
| G1 | 172,569,438 | 1.0100 | 170,860,830 | 6 | 69 | .029037637 |
| G1 | 178,123,328 | 1.0269 | 173,457,326 | 6 | 31 | .015280727 |
| G1 | 165,187,445 | 1.0031 | 164,676,946 | 4 | 12 | .003326857 |
| Random Totals: | 1,183,717,789 | 1,259,217,305 | 139 | 14,593 | ||
| Catg D1 Exception Values: | 35,267,780 | 36,125,276 | ||||
| Total Test Values (4): | 1,218,985,569 | 1,295,342,581 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 64,767,129 |
Confidence Interval Values (5)
| Local Test Value: | 1,218,985,569 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 1,230,575,452 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,360,109,710 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,394,358,757 | (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
