2007 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 | 66,460,093 | 0.9428 | 70,492,250 | 7 | 1,575 | .025352998 |
| A | 66,527,562 | 0.8253 | 80,610,156 | 9 | 919 | .027397746 |
| A | 66,489,980 | 0.9279 | 71,656,407 | 7 | 577 | .011210711 |
| A | 66,360,147 | 0.9338 | 71,064,625 | 10 | 304 | .004753097 |
| G1 | 732,531,136 | 1.0035 | 729,976,219 | 7 | 402 | .000866183 |
| G1 | 744,627,800 | 1.0262 | 725,616,644 | 6 | 49 | .002874762 |
| G1 | 755,090,465 | 0.8939 | 844,714,694 | 4 | 11 | .043390922 |
| Random Totals: | 2,498,087,183 | 2,594,130,995 | 50 | 3,837 | ||
| Catg D1 Exception Values: | 9,524,847 | 22,283,135 | ||||
| Catg G1 Exception Values: | 672,527,831 | 696,038,732 | ||||
| Total Test Values (4): | 3,180,139,861 | 3,312,452,862 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 165,622,643 |
Confidence Interval Values (5)
| State Lower Limit: | 3,146,830,219 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 3,180,139,861 | (Within Confidence Interval) |
| State Upper Limit: | 3,478,075,505 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,393,947,392 | (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