2007 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 | 462,853 | 0.9427 | 490,987 | 6 | 35 | .014562484 |
| A | 480,005 | 0.9274 | 517,581 | 5 | 17 | .000580667 |
| A | 439,815 | 0.9697 | 453,558 | 4 | 11 | .004851891 |
| A | 440,861 | 0.9382 | 469,901 | 4 | 8 | .002622439 |
| D3 | 8,278,360 | 0.9866 | 8,390,797 | 20 | 1,053 | .014384843 |
| Random Totals: | 10,101,894 | 10,322,824 | 39 | 1,124 | ||
| Catg J Exception Values: | 480,140 | 467,948 | ||||
| Catg D1 Exception Values: | 4,072,770 | 2,984,519 | ||||
| Catg G1 Exception Values: | 1,867,579 | 1,864,552 | ||||
| Total Test Values (4): | 16,522,383 | 15,639,843 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 781,992 |
Confidence Interval Values (5)
| State Lower Limit: | 14,857,851 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| State Upper Limit: | 16,421,835 | (State Test Value plus Margin of Error Percent) |
| Local Test Value: | 16,522,383 | (Outside Confidence Interval) |
| Value Assigned (6): | 20,158,562 | (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