2006 Confidence Interval Detail
237/Waller
237-905/Royal ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 32,217,216 | 1.0399 | 30,981,071 | 9 | 625 | .076548537 |
| A | 32,209,257 | 0.9230 | 34,896,270 | 10 | 344 | .061671410 |
| A | 32,208,243 | 1.1146 | 28,896,683 | 10 | 237 | .016684774 |
| A | 32,197,407 | 1.0170 | 31,659,201 | 8 | 138 | .002983222 |
| D3 | 109,831,650 | 1.0385 | 105,759,894 | 19 | 4,595 | .091802728 |
| F1 | 7,832,861 | 0.8483 | 9,233,598 | 8 | 117 | .065068011 |
| F1 | 7,787,401 | 0.8873 | 8,776,514 | 9 | 44 | .032679311 |
| F1 | 7,861,413 | 0.9636 | 8,158,378 | 5 | 19 | .005468962 |
| F1 | 7,686,736 | 0.7913 | 9,714,060 | 4 | 9 | .045621820 |
| G1 | 16,052,898 | 0.9844 | 16,307,292 | 5 | 17 | .000049797 |
| G1 | 17,792,510 | 0.9384 | 18,960,475 | 4 | 7 | .021678865 |
| G1 | 20,738,105 | 0.7420 | 27,948,929 | 3 | 4 | .041407452 |
| L1 | 4,018,016 | 1.3160 | 3,053,204 | 7 | 123 | .077748728 |
| L1 | 3,991,942 | 1.0874 | 3,671,089 | 6 | 45 | .035657053 |
| L1 | 3,986,749 | 0.9831 | 4,055,283 | 5 | 20 | .006468128 |
| Random Totals: | 336,412,404 | 342,071,941 | 112 | 6,344 | ||
| Catg J Exception Values: | 11,192,848 | 11,661,512 | ||||
| Catg D1 Exception Values: | 12,382,440 | 11,702,325 | ||||
| Catg G1 Exception Values: | 8,229,500 | 8,264,706 | ||||
| Catg L1 Exception Values: | 15,737,360 | 15,234,225 | ||||
| Total Test Values (4): | 383,954,552 | 388,934,670 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 19,446,734 |
Confidence Interval Values (5)
| State Lower Limit: | 369,487,936 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 383,954,552 | (Within Confidence Interval) |
| State Upper Limit: | 408,381,404 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 529,115,319 | (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