2007 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 | 37,094,336 | 1.3435 | 27,610,224 | 15 | 668 | .070776444 |
| A | 37,136,385 | 1.0195 | 36,426,077 | 26 | 366 | .021964501 |
| A | 37,168,998 | 1.0223 | 36,358,210 | 27 | 256 | .023219965 |
| A | 36,895,677 | 1.0457 | 35,283,233 | 15 | 148 | .009731527 |
| D3 | 120,416,167 | 0.8828 | 136,402,545 | 27 | 4,647 | .205885675 |
| F1 | 11,025,857 | 0.9546 | 11,550,238 | 7 | 121 | .027226336 |
| F1 | 11,077,444 | 1.0819 | 10,238,880 | 6 | 45 | .040158614 |
| F1 | 10,958,853 | 0.9363 | 11,704,425 | 5 | 19 | .004164202 |
| F1 | 10,648,253 | 0.9576 | 11,119,730 | 8 | 9 | .004069235 |
| G1 | 11,872,040 | 0.8306 | 14,293,330 | 7 | 17 | .082484583 |
| G1 | 12,387,290 | 0.9023 | 13,728,571 | 4 | 6 | .073709280 |
| G1 | 14,952,560 | 1.1300 | 13,232,354 | 3 | 4 | .049487281 |
| L1 | 7,850,795 | 1.1129 | 7,054,358 | 7 | 162 | .110523698 |
| L1 | 7,949,087 | 1.0298 | 7,719,059 | 6 | 45 | .008176715 |
| L1 | 15,511,563 | 1.1198 | 13,852,083 | 5 | 13 | .005668799 |
| Random Totals: | 382,945,305 | 386,573,317 | 168 | 6,526 | ||
| Catg J Exception Values: | 6,980,046 | 6,543,377 | ||||
| Catg D1 Exception Values: | 12,471,595 | 12,329,507 | ||||
| Catg G1 Exception Values: | 29,507,228 | 30,143,760 | ||||
| Total Test Values (4): | 431,904,174 | 435,589,961 |
Margin of Error
| Margin of Error Percent: | 5.5619996 |
|---|---|
| Margin of Error Value: | 24,227,512 |
Confidence Interval Values (5)
| State Lower Limit: | 411,362,449 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 431,904,174 | (Within Confidence Interval) |
| State Upper Limit: | 459,817,473 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 598,941,190 | (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