2007 Confidence Interval Detail
163/Medina
163-901/Devine ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 29,405,339 | 0.9824 | 29,932,145 | 8 | 754 | .007987124 |
| A | 29,475,437 | 1.0116 | 29,137,443 | 8 | 439 | .006725550 |
| A | 29,262,171 | 0.9537 | 30,682,784 | 10 | 291 | .005432096 |
| A | 29,277,167 | 0.9534 | 30,708,168 | 7 | 172 | .002579812 |
| D3 | 75,229,239 | 1.1206 | 67,132,999 | 29 | 119,616 | .271430470 |
| F1 | 6,860,070 | 0.9664 | 7,098,582 | 7 | 102 | .008900803 |
| F1 | 7,010,262 | 0.8965 | 7,819,590 | 6 | 34 | .023542236 |
| F1 | 6,987,248 | 0.9568 | 7,302,726 | 5 | 16 | .002684732 |
| F1 | 6,428,357 | 0.9829 | 6,540,194 | 3 | 5 | .002059404 |
| L1 | 2,981,123 | 0.9030 | 3,301,354 | 8 | 87 | .037548154 |
| L1 | 3,098,817 | 0.8957 | 3,459,659 | 5 | 15 | .087147807 |
| L1 | 3,244,552 | 1.0232 | 3,170,985 | 3 | 5 | .000306737 |
| Random Totals: | 229,259,782 | 226,286,629 | 99 | 121,536 | ||
| Catg D1 Exception Values: | 12,956,287 | 12,662,849 | ||||
| Catg L1 Exception Values: | 1,707,879 | 1,845,593 | ||||
| Total Test Values (4): | 243,923,948 | 240,795,071 |
Margin of Error
| Margin of Error Percent: | 5.5338923 |
|---|---|
| Margin of Error Value: | 13,325,340 |
Confidence Interval Values (5)
| State Lower Limit: | 227,469,731 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 243,923,948 | (Within Confidence Interval) |
| State Upper Limit: | 254,120,411 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 251,646,201 | (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