2008 Confidence Interval Detail
224/Throckmorton
224-902/Woodson ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 787,150 | 0.8995 | 875,097 | 11 | 51 | .038683227 |
| A | 730,480 | 0.9697 | 753,305 | 10 | 28 | .008058253 |
| A | 789,170 | 0.8618 | 915,723 | 9 | 21 | .050758063 |
| A | 707,060 | 0.9114 | 775,795 | 9 | 12 | .013326440 |
| D3 | 3,889,420 | 0.6918 | 5,622,174 | 39 | 949 | .186156690 |
| G1 | 4,584,250 | 0.9437 | 4,857,741 | 13 | 42 | .067139874 |
| G1 | 4,633,880 | 1.0050 | 4,610,826 | 9 | 19 | .010952551 |
| G1 | 4,356,740 | 1.1503 | 3,787,482 | 6 | 9 | .040582288 |
| G1 | 4,438,580 | 1.0722 | 4,139,694 | 3 | 4 | .005964524 |
| Random Totals: | 24,916,730 | 26,337,837 | 109 | 1,135 | ||
| Catg J Exception Values: | 756,422 | 724,597 | ||||
| Catg D1 Exception Values: | 3,887,880 | 5,136,341 | ||||
| Total Test Values (4): | 29,561,032 | 32,198,775 |
Margin of Error
| Margin of Error Percent: | 5.0000008 |
|---|---|
| Margin of Error Value: | 1,609,939 |
Confidence Interval Values (5)
| Local Test Value: | 29,561,032 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 30,588,836 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 33,808,714 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 32,873,547 | (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
