2011 Confidence Interval Detail
188/Potter
188-901/Amarillo ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,326,462,833 | 1.0229 | 1,296,766,872 | 93 | 19,253 | .016845415 |
| A | 1,305,775,214 | 0.9969 | 1,309,835,705 | 105 | 11,430 | .010662168 |
| A | 1,307,238,215 | 1.0096 | 1,294,808,058 | 105 | 8,181 | .012644194 |
| A | 1,350,789,897 | 0.9752 | 1,385,141,404 | 98 | 4,327 | .009938690 |
| B | 95,174,842 | 0.9485 | 100,342,480 | 12 | 955 | .037343086 |
| B | 88,604,385 | 0.8796 | 100,732,589 | 11 | 74 | .157049826 |
| B | 92,915,058 | 0.9728 | 95,513,012 | 10 | 21 | .007131714 |
| B | 89,226,238 | 0.9798 | 91,065,766 | 7 | 10 | .002487003 |
| F1 | 333,804,637 | 0.9373 | 356,134,255 | 29 | 1,807 | .037277444 |
| F1 | 335,654,752 | 0.9154 | 366,675,499 | 16 | 448 | .027554536 |
| F1 | 339,723,334 | 0.8816 | 385,348,609 | 12 | 148 | .026192904 |
| F1 | 340,081,228 | 1.0490 | 324,195,642 | 10 | 38 | .013421101 |
| L1 | 207,040,208 | 0.9965 | 207,767,394 | 10 | 2,045 | .017930336 |
| L1 | 208,023,074 | 1.0168 | 204,586,029 | 10 | 357 | .004191953 |
| L1 | 202,602,445 | 1.0238 | 197,892,601 | 10 | 87 | .003838908 |
| L1 | 206,513,575 | 0.9993 | 206,658,236 | 10 | 17 | .005148121 |
| Random Totals: | 7,829,629,935 | 7,923,464,151 | 548 | 49,198 | ||
| Catg D1 Exception Values: | 624,420 | 655,530 | ||||
| Total Test Values (4): | 7,830,254,355 | 7,924,119,681 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 396,205,984 |
Confidence Interval Values (5)
| State Lower Limit: | 7,527,913,697 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,830,254,355 | (Within Confidence Interval) |
| State Upper Limit: | 8,320,325,665 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,385,328,472 | (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