2008 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 | 1,228,610,605 | 1.0053 | 1,222,133,299 | 31 | 18,575 | .032273028 |
| A | 1,238,288,521 | 0.9641 | 1,284,398,424 | 34 | 11,316 | .011373091 |
| A | 1,351,159,684 | 0.9867 | 1,369,372,336 | 33 | 8,817 | .008103935 |
| A | 1,371,978,531 | 0.9837 | 1,394,712,342 | 35 | 4,675 | .018024606 |
| B | 71,288,829 | 1.0135 | 70,339,249 | 15 | 958 | .022370145 |
| B | 68,846,110 | 0.8606 | 79,997,804 | 7 | 137 | .110160792 |
| B | 68,998,325 | 1.0483 | 65,819,255 | 5 | 23 | .001300482 |
| B | 97,197,781 | 1.0160 | 95,667,107 | 4 | 14 | .003685669 |
| F1 | 315,914,345 | 0.8820 | 358,179,529 | 36 | 1,857 | .042668650 |
| F1 | 316,190,129 | 1.0263 | 308,087,430 | 5 | 429 | .005590051 |
| F1 | 311,315,636 | 0.9858 | 315,799,996 | 6 | 132 | .001516876 |
| F1 | 320,317,570 | 0.9764 | 328,059,781 | 6 | 36 | .000851481 |
| L1 | 204,518,972 | 0.9819 | 208,289,003 | 7 | 1,925 | .000693922 |
| L1 | 207,551,959 | 1.0354 | 200,455,823 | 7 | 353 | .002940929 |
| L1 | 205,689,225 | 1.0025 | 205,176,284 | 6 | 88 | .000509001 |
| L1 | 227,785,858 | 1.0070 | 226,202,441 | 5 | 18 | .000220547 |
| Random Totals: | 7,605,652,080 | 7,732,690,103 | 242 | 49,353 | ||
| Catg D1 Exception Values: | 625,168 | 714,851 | ||||
| Total Test Values (4): | 7,606,277,248 | 7,733,404,954 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 386,670,248 |
Confidence Interval Values (5)
| State Lower Limit: | 7,346,734,706 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,606,277,248 | (Within Confidence Interval) |
| State Upper Limit: | 8,120,075,202 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,046,915,843 | (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