2009 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 | 118,261,899 | 1.0086 | 117,253,519 | 19 | 1,775 | .182890537 |
| A | 123,837,848 | 0.9253 | 133,835,349 | 14 | 879 | .048642113 |
| A | 125,031,025 | 1.0406 | 120,152,820 | 9 | 577 | .006904852 |
| A | 134,523,326 | 1.0644 | 126,384,185 | 15 | 411 | .026337853 |
| C | 14,908,280 | 0.9575 | 15,570,005 | 7 | 637 | .005830039 |
| C | 22,326,270 | 1.0017 | 22,288,380 | 7 | 507 | .010402148 |
| C | 9,525,680 | 0.8896 | 10,707,824 | 7 | 166 | .022284378 |
| C | 16,546,461 | 1.1053 | 14,970,109 | 7 | 159 | .033751309 |
| D3 | 110,216,726 | 0.9356 | 117,803,256 | 10 | 4,419 | .394899897 |
| F1 | 10,668,250 | 0.9886 | 10,791,270 | 6 | 88 | .045679796 |
| F1 | 11,226,500 | 0.9603 | 11,690,618 | 6 | 38 | .061396337 |
| F1 | 14,842,360 | 1.0248 | 14,483,177 | 5 | 27 | .019574456 |
| F1 | 10,504,900 | 0.9867 | 10,646,498 | 3 | 6 | .074034875 |
| Random Totals: | 722,419,525 | 726,577,010 | 115 | 9,689 | ||
| Catg D1 Exception Values: | 18,008,471 | 17,457,156 | ||||
| Total Test Values (4): | 740,427,996 | 744,034,166 |
Margin of Error
| Margin of Error Percent: | 7.4472772 |
|---|---|
| Margin of Error Value: | 55,410,287 |
Confidence Interval Values (5)
| State Lower Limit: | 688,623,879 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 740,427,996 | (Within Confidence Interval) |
| State Upper Limit: | 799,444,453 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 735,346,547 | (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