2008 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 | 46,768,800 | 0.8879 | 52,673,499 | 9 | 1,221 | .055878689 |
| A | 106,876,820 | 1.0142 | 105,380,418 | 17 | 1,522 | .045700312 |
| A | 77,759,640 | 0.9185 | 84,659,379 | 18 | 661 | .012098108 |
| A | 126,132,310 | 0.9026 | 139,743,308 | 22 | 559 | .010422949 |
| G1 | 859,306,948 | 0.9993 | 859,908,884 | 17 | 431 | .006753627 |
| G1 | 882,905,600 | 1.0163 | 868,745,056 | 15 | 51 | .003347839 |
| G1 | 908,974,680 | 0.9955 | 913,083,556 | 10 | 11 | .001174744 |
| Random Totals: | 3,008,724,798 | 3,024,194,100 | 108 | 4,456 | ||
| Catg D1 Exception Values: | 10,247,736 | 23,815,358 | ||||
| Catg G1 Exception Values: | 778,744,001 | 778,575,470 | ||||
| Total Test Values (4): | 3,797,716,535 | 3,826,584,928 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 191,329,246 |
Confidence Interval Values (5)
| State Lower Limit: | 3,635,255,682 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 3,797,716,535 | (Within Confidence Interval) |
| State Upper Limit: | 4,017,914,174 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 4,043,600,756 | (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