2006 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 | 1,131,574,950 | 0.9804 | 1,154,197,215 | 45 | 18,639 | .028740480 |
| A | 1,131,696,202 | 0.9871 | 1,146,485,870 | 48 | 11,138 | .010062864 |
| A | 1,131,557,421 | 0.9937 | 1,138,731,429 | 46 | 7,816 | .005359086 |
| A | 1,131,170,934 | 0.9237 | 1,224,608,568 | 48 | 4,024 | .048153216 |
| B | 62,704,753 | 0.9826 | 63,815,136 | 37 | 910 | .017721588 |
| B | 64,509,694 | 1.0030 | 64,316,744 | 7 | 141 | .000328770 |
| B | 64,125,179 | 0.9847 | 65,121,539 | 6 | 18 | .002090189 |
| B | 59,234,374 | 0.9801 | 60,437,072 | 4 | 9 | .001845020 |
| F1 | 273,311,553 | 0.9597 | 284,788,531 | 31 | 1,782 | .046953315 |
| F1 | 273,683,344 | 0.8250 | 331,737,387 | 7 | 424 | .252216758 |
| F1 | 274,851,599 | 0.9628 | 285,471,125 | 6 | 130 | .259032424 |
| F1 | 270,903,983 | 0.9855 | 274,889,886 | 6 | 30 | .002416428 |
| L1 | 190,056,895 | 0.9520 | 199,639,596 | 7 | 2,058 | .010924677 |
| L1 | 190,134,123 | 0.9839 | 193,245,374 | 7 | 377 | .002596317 |
| L1 | 190,391,788 | 0.9606 | 198,200,904 | 7 | 106 | .018506156 |
| L1 | 188,714,259 | 1.0052 | 187,738,021 | 5 | 17 | .000078783 |
| Random Totals: | 6,628,621,051 | 6,873,424,397 | 317 | 47,619 | ||
| Catg D1 Exception Values: | 508,102 | 581,991 | ||||
| Total Test Values (4): | 6,629,129,153 | 6,874,006,388 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 343,700,319 |
Confidence Interval Values (5)
| State Lower Limit: | 6,530,306,069 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 6,629,129,153 | (Within Confidence Interval) |
| State Upper Limit: | 7,217,706,707 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 6,211,693,554 | (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