2009 Confidence Interval Detail
212/Smith
234-906/Van ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,480,605 | 0.7791 | 9,601,598 | 7 | 188 | .061242053 |
| A | 7,215,858 | 0.8422 | 8,567,867 | 6 | 80 | .022176047 |
| A | 6,787,053 | 0.9051 | 7,498,677 | 6 | 46 | .006911474 |
| A | 7,583,995 | 1.0119 | 7,494,807 | 5 | 22 | .026090303 |
| D3 | 41,802,323 | 1.0283 | 40,651,875 | 23 | 1,424 | .047437808 |
| Random Totals: | 70,869,834 | 73,814,824 | 47 | 1,760 | ||
| Catg D1 Exception Values: | 2,801,822 | 2,564,052 | ||||
| Total Test Values (4): | 73,671,656 | 76,378,876 |
Margin of Error
| Margin of Error Percent: | 5.6971053 |
|---|---|
| Margin of Error Value: | 4,351,385 |
Confidence Interval Values (5)
| State Lower Limit: | 72,027,491 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 73,671,656 | (Within Confidence Interval) |
| State Upper Limit: | 80,730,261 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 66,910,999 | (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
