2006 Confidence Interval Detail
002/Andrews
002-901/Andrews ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 51,827,765 | 0.7388 | 70,151,279 | 9 | 1,673 | .151644554 |
| A | 51,860,326 | 0.8327 | 62,279,724 | 17 | 928 | .037604036 |
| A | 51,753,491 | 0.7975 | 64,894,660 | 13 | 543 | .006990493 |
| A | 51,803,024 | 0.8195 | 63,212,964 | 8 | 295 | .016544618 |
| G1 | 654,460,559 | 1.0789 | 606,599,832 | 7 | 376 | .011030178 |
| G1 | 675,173,390 | 1.0126 | 666,772,062 | 6 | 46 | .003459430 |
| G1 | 674,860,208 | 0.9832 | 686,391,587 | 4 | 10 | .000422103 |
| Random Totals: | 2,211,738,763 | 2,220,302,108 | 64 | 3,871 | ||
| Catg D1 Exception Values: | 8,323,908 | 21,750,547 | ||||
| Catg G1 Exception Values: | 603,838,200 | 598,805,135 | ||||
| Total Test Values (4): | 2,823,900,871 | 2,840,857,790 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 142,042,890 |
Confidence Interval Values (5)
| State Lower Limit: | 2,698,814,900 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,823,900,871 | (Within Confidence Interval) |
| State Upper Limit: | 2,982,900,680 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,021,739,656 | (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