2009 Confidence Interval Detail
146/Liberty
146-907/Tarkington ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 51,378,824 | 0.9218 | 55,737,496 | 15 | 1,071 | .014099935 |
| A | 52,448,000 | 0.9162 | 57,245,143 | 15 | 582 | .019232795 |
| A | 51,418,690 | 0.8668 | 59,320,132 | 17 | 405 | .026012570 |
| A | 45,593,550 | 0.9455 | 48,221,629 | 16 | 237 | .025904166 |
| D3 | 72,005,804 | 0.8414 | 85,578,564 | 32 | 3,579 | .183130698 |
| Random Totals: | 272,844,868 | 306,102,964 | 95 | 5,874 | ||
| Catg J Exception Values: | 12,502,614 | 12,472,468 | ||||
| Catg D1 Exception Values: | 20,424,449 | 18,780,218 | ||||
| Total Test Values (4): | 305,771,931 | 337,355,650 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 16,867,783 |
Confidence Interval Values (5)
| Local Test Value: | 305,771,931 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 320,487,867 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 354,223,433 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 364,553,894 | (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