2006 Confidence Interval Detail
163/Medina
163-908/Medina Valley ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 102,161,529 | 0.9458 | 108,015,996 | 7 | 1,940 | .047866559 |
| A | 102,115,629 | 0.9690 | 105,382,486 | 7 | 936 | .005631901 |
| A | 102,095,011 | 0.9474 | 107,763,364 | 7 | 611 | .001246788 |
| A | 102,122,245 | 0.9585 | 106,543,813 | 7 | 368 | .004184526 |
| C | 13,587,229 | 0.9990 | 13,600,830 | 7 | 797 | .043982670 |
| C | 15,563,874 | 0.9903 | 15,716,322 | 7 | 518 | .016834439 |
| C | 11,896,056 | 0.9240 | 12,874,519 | 7 | 286 | .017512648 |
| C | 13,227,764 | 1.0596 | 12,483,733 | 7 | 159 | .008671133 |
| D3 | 98,804,610 | 1.0106 | 97,768,266 | 15 | 4,672 | .310049889 |
| F1 | 9,319,677 | 1.0147 | 9,184,662 | 6 | 82 | .004500081 |
| F1 | 9,309,346 | 0.9049 | 10,287,707 | 7 | 38 | .023984452 |
| F1 | 9,222,919 | 0.9436 | 9,774,183 | 5 | 16 | .008393721 |
| F1 | 9,174,816 | 1.0100 | 9,083,976 | 3 | 5 | .005210975 |
| Random Totals: | 598,600,705 | 618,479,857 | 92 | 10,428 | ||
| Catg D1 Exception Values: | 19,047,259 | 18,417,521 | ||||
| Catg F1 Exception Values: | 28,449,310 | 27,995,948 | ||||
| Total Test Values (4): | 646,097,274 | 664,893,326 |
Margin of Error
| Margin of Error Percent: | 5.1567359 |
|---|---|
| Margin of Error Value: | 34,286,793 |
Confidence Interval Values (5)
| State Lower Limit: | 630,606,533 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 646,097,274 | (Within Confidence Interval) |
| State Upper Limit: | 699,180,119 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 656,158,975 | (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