2006 Confidence Interval Detail
062/Dewitt
062-905/Westhoff ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 473,898 | 1.0143 | 467,217 | 6 | 39 | .009499111 |
| A | 450,368 | 0.9359 | 481,214 | 6 | 17 | .005577218 |
| A | 476,169 | 1.0029 | 474,792 | 5 | 11 | .002564907 |
| A | 433,308 | 0.9182 | 471,910 | 5 | 7 | .009218721 |
| D3 | 7,598,380 | 0.9520 | 7,981,492 | 20 | 1,044 | .033257240 |
| Random Totals: | 9,432,123 | 9,876,625 | 42 | 1,118 | ||
| Catg J Exception Values: | 472,547 | 643,646 | ||||
| Catg D1 Exception Values: | 4,071,030 | 3,064,972 | ||||
| Catg G1 Exception Values: | 1,926,810 | 1,735,948 | ||||
| Total Test Values (4): | 15,902,510 | 15,321,191 |
Margin of Error
| Margin of Error Percent: | 5.0000029 |
|---|---|
| Margin of Error Value: | 766,060 |
Confidence Interval Values (5)
| State Lower Limit: | 14,555,131 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 15,902,510 | (Within Confidence Interval) |
| State Upper Limit: | 16,087,251 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 17,314,840 | (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