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 | 1.0805 | 70,924,489 | 14 | 3,812 | .037948806 |
| A | 77,401,960 | 0.8396 | 92,189,090 | 13 | 2,146 | .064670439 |
| A | 78,347,230 | 0.9637 | 81,298,360 | 15 | 1,266 | .014810964 |
| A | 87,072,970 | 0.9618 | 90,531,264 | 15 | 691 | .035482303 |
| 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 | 0.9241 | 30,857,386 | 9 | 308 | .018524423 |
| F1 | 32,454,400 | 0.8628 | 37,615,206 | 8 | 95 | .021740676 |
| F1 | 27,184,650 | 0.9521 | 28,552,305 | 7 | 28 | .007442061 |
| F1 | 27,071,890 | 0.9075 | 29,831,284 | 3 | 6 | .003351778 |
| 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: | 1,168,082,699 | 1,168,356,059 | 129 | 11,288 | ||
| Catg D1 Exception Values: | 35,267,780 | 36,125,276 | ||||
| Catg C Exception Values: | 17,190 | 22,500 | ||||
| Total Test Values (4): | 1,203,367,669 | 1,204,503,835 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 60,225,192 |
Confidence Interval Values (5)
| State Lower Limit: | 1,144,278,643 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,203,367,669 | (Within Confidence Interval) |
| State Upper Limit: | 1,264,729,027 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,327,619,842 | (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