2006 Confidence Interval Detail
022/Brewster
022-902/Marathon ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,961,502 | 0.9584 | 3,090,048 | 15 | 114 | .000491876 |
| A | 2,960,865 | 0.9729 | 3,043,340 | 16 | 63 | .000423789 |
| A | 2,965,230 | 0.9708 | 3,054,419 | 15 | 39 | .000455082 |
| A | 2,957,101 | 0.9813 | 3,013,453 | 13 | 19 | .000872478 |
| D3 | 7,904,197 | 0.9601 | 8,232,681 | 19 | 621 | .001757029 |
| F1 | 682,703 | 0.9679 | 705,345 | 5 | 20 | .000831574 |
| F1 | 730,881 | 0.9644 | 757,861 | 7 | 9 | .000114552 |
| F1 | 820,066 | 0.9765 | 839,801 | 3 | 4 | .000636279 |
| Random Totals: | 21,982,545 | 22,736,948 | 93 | 889 | ||
| Catg J Exception Values: | 12,534,783 | 12,303,814 | ||||
| Catg D1 Exception Values: | 13,501,369 | 16,429,134 | ||||
| Catg F1 Exception Values: | 680,975 | 694,455 | ||||
| Total Test Values (4): | 48,699,672 | 52,164,351 |
Margin of Error
| Margin of Error Percent: | 5.0000009 |
|---|---|
| Margin of Error Value: | 2,608,218 |
Confidence Interval Values (5)
| Local Test Value: | 48,699,672 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 49,556,133 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 54,772,569 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 49,993,932 | (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