2006 Confidence Interval Detail
221/Taylor
221-912/Wylie ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 144,231,137 | 0.9614 | 150,021,986 | 17 | 1,525 | .001775687 |
| A | 144,249,091 | 0.9879 | 146,015,883 | 8 | 960 | .000454718 |
| A | 144,272,701 | 0.9753 | 147,926,485 | 29 | 709 | .000863584 |
| A | 143,922,879 | 0.9912 | 145,200,645 | 8 | 412 | .000696198 |
| D3 | 125,168,704 | 0.9942 | 125,898,918 | 26 | 2,910 | .007595248 |
| F1 | 14,757,579 | 0.9617 | 15,345,304 | 6 | 62 | .023398024 |
| F1 | 14,703,144 | 0.9862 | 14,908,887 | 5 | 18 | .000717493 |
| F1 | 16,155,262 | 0.9499 | 17,007,329 | 5 | 6 | .003758317 |
| L1 | 7,083,135 | 0.9912 | 7,146,020 | 11 | 102 | .002803530 |
| L1 | 7,566,556 | 1.0403 | 7,273,437 | 5 | 23 | .005524320 |
| L1 | 13,662,449 | 1.0223 | 13,364,422 | 3 | 6 | .008601707 |
| Random Totals: | 775,772,637 | 790,109,316 | 123 | 6,733 | ||
| Catg D1 Exception Values: | 5,887,305 | 5,368,196 | ||||
| Catg F1 Exception Values: | 47,438,890 | 50,433,531 | ||||
| Catg L1 Exception Values: | 10,349,779 | 12,525,391 | ||||
| Total Test Values (4): | 839,448,611 | 858,436,434 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 42,921,822 |
Confidence Interval Values (5)
| State Lower Limit: | 815,514,612 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 839,448,611 | (Within Confidence Interval) |
| State Upper Limit: | 901,358,256 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 881,341,047 | (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