2009 Confidence Interval Detail
214/Starr
214-902/San Isidro ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 3,475,490 | 1.0794 | 3,219,835 | 21 | 1,982 | .021168154 |
| G1 | 50,796,147 | 1.0684 | 47,544,129 | 11 | 106 | .172370659 |
| G1 | 49,854,031 | 1.0555 | 47,232,621 | 9 | 40 | .011255035 |
| G1 | 52,137,612 | 1.0277 | 50,732,327 | 7 | 18 | .012961148 |
| G1 | 47,101,030 | 0.9752 | 48,298,841 | 4 | 6 | .004701947 |
| Random Totals: | 203,364,310 | 197,027,753 | 52 | 2,152 | ||
| Catg J Exception Values: | 621,180 | 642,424 | ||||
| Catg D1 Exception Values: | 16,312,610 | 16,721,521 | ||||
| Total Test Values (4): | 220,298,100 | 214,391,698 |
Margin of Error
| Margin of Error Percent: | 5.7602123 |
|---|---|
| Margin of Error Value: | 12,349,417 |
Confidence Interval Values (5)
| State Lower Limit: | 202,042,281 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 220,298,100 | (Within Confidence Interval) |
| State Upper Limit: | 226,741,115 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 274,615,852 | (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