2006 Confidence Interval Detail
001/Anderson
001-908/Westwood ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 26,781,378 | 0.9201 | 29,107,030 | 10 | 628 | .041207875 |
| A | 26,794,028 | 0.9901 | 27,061,941 | 19 | 446 | .047725417 |
| A | 26,766,544 | 0.9477 | 28,243,689 | 14 | 370 | .006631162 |
| A | 26,748,440 | 0.9547 | 28,017,639 | 23 | 270 | .011183421 |
| D3 | 45,083,795 | 0.9437 | 47,773,440 | 27 | 2,432 | .021794663 |
| F1 | 4,309,976 | 0.9807 | 4,394,796 | 6 | 62 | .003636820 |
| F1 | 4,167,065 | 0.9516 | 4,379,009 | 6 | 26 | .002795317 |
| F1 | 4,242,587 | 0.9435 | 4,496,648 | 4 | 12 | .003791026 |
| F1 | 4,074,447 | 0.9954 | 4,093,276 | 3 | 5 | .000170962 |
| L1 | 7,188,695 | 0.9946 | 7,227,725 | 6 | 88 | .002471922 |
| L1 | 6,872,813 | 1.0448 | 6,578,114 | 5 | 17 | .001246850 |
| L1 | 8,345,445 | 1.0633 | 7,848,627 | 3 | 6 | .024343751 |
| Random Totals: | 191,375,213 | 199,221,934 | 126 | 4,362 | ||
| Catg J Exception Values: | 10,823,490 | 10,692,426 | ||||
| Catg D1 Exception Values: | 3,604,267 | 3,075,544 | ||||
| Catg L1 Exception Values: | 7,391,022 | 6,371,560 | ||||
| Total Test Values (4): | 213,193,992 | 219,361,464 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,968,073 |
Confidence Interval Values (5)
| State Lower Limit: | 208,393,391 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 213,193,992 | (Within Confidence Interval) |
| State Upper Limit: | 230,329,537 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 375,647,987 | (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