2009 Confidence Interval Detail
217/Stonewall
217-901/Aspermont CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,433,166 | 1.1656 | 2,087,479 | 8 | 205 | .156180714 |
| A | 2,714,580 | 0.9234 | 2,939,766 | 7 | 117 | .140295627 |
| A | 2,749,300 | 1.0412 | 2,640,511 | 8 | 79 | .128255959 |
| A | 2,764,270 | 1.0535 | 2,623,892 | 7 | 43 | .017335815 |
| D3 | 10,557,183 | 0.7406 | 14,254,905 | 21 | 3,056 | .125745246 |
| G1 | 19,779,570 | 1.0442 | 18,942,319 | 6 | 63 | .007298864 |
| G1 | 20,229,739 | 0.9920 | 20,392,882 | 6 | 25 | .005536279 |
| G1 | 20,019,558 | 1.0138 | 19,747,049 | 5 | 11 | .008727805 |
| G1 | 18,679,069 | 1.0641 | 17,553,866 | 3 | 5 | .004341125 |
| Random Totals: | 99,926,435 | 101,182,669 | 71 | 3,604 | ||
| Catg J Exception Values: | 3,548,139 | 3,078,131 | ||||
| Catg D1 Exception Values: | 25,818,480 | 22,130,282 | ||||
| Catg G1 Exception Values: | 22,526,470 | 21,898,314 | ||||
| Total Test Values (4): | 151,819,524 | 148,289,396 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 7,414,470 |
Confidence Interval Values (5)
| State Lower Limit: | 140,874,926 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 151,819,524 | (Within Confidence Interval) |
| State Upper Limit: | 155,703,866 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 170,401,007 | (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