2006 Confidence Interval Detail
072/Erath
072-902/Dublin ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,629,106 | 0.9232 | 16,929,274 | 16 | 537 | .140254759 |
| A | 15,592,830 | 0.9063 | 17,204,932 | 17 | 291 | .035158990 |
| A | 15,615,721 | 1.0351 | 15,086,196 | 16 | 198 | .019755608 |
| A | 15,412,049 | 0.9199 | 16,754,048 | 13 | 125 | .022609845 |
| D3 | 105,885,000 | 0.9974 | 106,161,019 | 21 | 3,724 | .074598307 |
| F1 | 4,297,404 | 0.6453 | 6,659,544 | 10 | 94 | .147848074 |
| F1 | 4,231,221 | 1.0122 | 4,180,222 | 7 | 33 | .042715601 |
| F1 | 4,640,301 | 0.8911 | 5,207,385 | 6 | 17 | .124848860 |
| F1 | 3,501,094 | 0.8041 | 4,354,053 | 3 | 6 | .003420402 |
| L1 | 3,759,397 | 0.9868 | 3,809,685 | 8 | 93 | .041077354 |
| L1 | 4,215,431 | 1.0286 | 4,098,222 | 6 | 20 | .001174034 |
| L1 | 4,221,325 | 1.0063 | 4,194,897 | 4 | 7 | .000065397 |
| Random Totals: | 197,000,879 | 204,639,477 | 127 | 5,145 | ||
| Catg J Exception Values: | 9,075,630 | 10,472,930 | ||||
| Catg D1 Exception Values: | 18,349,180 | 14,954,101 | ||||
| Catg L1 Exception Values: | 1,713,279 | 1,713,279 | ||||
| Total Test Values (4): | 226,138,968 | 231,779,787 |
Margin of Error
| Margin of Error Percent: | 5.7071025 |
|---|---|
| Margin of Error Value: | 13,227,910 |
Confidence Interval Values (5)
| State Lower Limit: | 218,551,877 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 226,138,968 | (Within Confidence Interval) |
| State Upper Limit: | 245,007,697 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 217,720,450 | (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