2009 Confidence Interval Detail
050/Coryell
050-904/Oglesby ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,762,560 | 0.9671 | 4,924,579 | 7 | 126 | .009406709 |
| A | 4,109,950 | 0.9657 | 4,255,928 | 6 | 67 | .003610318 |
| A | 3,905,910 | 0.9655 | 4,045,479 | 6 | 41 | .012364745 |
| A | 4,191,930 | 0.9632 | 4,352,087 | 5 | 25 | .024406496 |
| D3 | 13,499,040 | 1.0068 | 13,407,867 | 21 | 760 | .025450731 |
| L1 | 941,040 | 0.9884 | 952,084 | 7 | 30 | .000738810 |
| Random Totals: | 31,410,430 | 31,938,024 | 52 | 1,049 | ||
| Catg J Exception Values: | 1,339,740 | 1,327,481 | ||||
| Catg D1 Exception Values: | 4,216,622 | 4,385,812 | ||||
| Catg L1 Exception Values: | 731,830 | 723,900 | ||||
| Total Test Values (4): | 37,698,622 | 38,375,217 |
Margin of Error
| Margin of Error Percent: | 5.0000004 |
|---|---|
| Margin of Error Value: | 1,918,761 |
Confidence Interval Values (5)
| State Lower Limit: | 36,456,456 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 37,698,622 | (Within Confidence Interval) |
| State Upper Limit: | 40,293,978 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 32,587,929 | (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