2007 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 | 69,892,489 | 0.7690 | 90,887,502 | 16 | 3,472 | .122177467 |
| A | 69,863,861 | 0.7834 | 89,180,318 | 16 | 2,003 | .065601847 |
| A | 69,871,302 | 0.7547 | 92,581,558 | 16 | 1,253 | .035638636 |
| A | 69,873,300 | 0.8242 | 84,777,117 | 20 | 614 | .026276277 |
| C | 14,412,587 | 0.5147 | 28,001,918 | 14 | 2,969 | .597906258 |
| C | 14,267,836 | 0.7761 | 18,384,018 | 38 | 1,782 | .050384048 |
| C | 14,320,913 | 0.9391 | 15,249,615 | 29 | 830 | .039762795 |
| C | 14,317,774 | 0.5860 | 24,433,061 | 10 | 186 | .055203878 |
| F1 | 24,393,148 | 0.7853 | 31,062,203 | 7 | 284 | .021211197 |
| F1 | 24,268,485 | 0.7607 | 31,902,833 | 9 | 73 | .067166320 |
| F1 | 25,893,933 | 0.8167 | 31,705,563 | 6 | 26 | .091948699 |
| G1 | 118,133,058 | 0.9410 | 125,539,913 | 10 | 189 | .022696193 |
| G1 | 118,556,809 | 0.9788 | 121,124,652 | 10 | 73 | .018236994 |
| G1 | 115,956,657 | 0.9856 | 117,650,829 | 8 | 30 | .014174270 |
| G1 | 116,116,520 | 1.0129 | 114,637,694 | 6 | 12 | .021940367 |
| Random Totals: | 880,138,672 | 1,017,118,794 | 215 | 13,796 | ||
| Catg D1 Exception Values: | 33,325,800 | 36,319,911 | ||||
| Catg F1 Exception Values: | 20,601,160 | 22,188,158 | ||||
| Total Test Values (4): | 934,065,632 | 1,075,626,863 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 53,781,343 |
Confidence Interval Values (5)
| Local Test Value: | 934,065,632 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 1,021,845,520 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,129,408,206 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,008,733,587 | (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