2008 Confidence Interval Detail
187/Polk
187-903/Goodrich ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 9,542,552 | 0.8704 | 10,963,410 | 22 | 320 | .093633673 |
| A | 9,919,344 | 0.8920 | 11,120,341 | 22 | 185 | .033979415 |
| A | 10,206,381 | 0.9312 | 10,960,461 | 21 | 130 | .014308924 |
| A | 10,737,414 | 1.0113 | 10,617,437 | 22 | 78 | .013227668 |
| D3 | 8,169,960 | 0.9927 | 8,230,039 | 15 | 422 | .052509842 |
| G1 | 9,814,560 | 0.9758 | 10,057,963 | 15 | 25 | .037209507 |
| Random Totals: | 58,390,211 | 61,949,651 | 117 | 1,160 | ||
| Catg J Exception Values: | 3,336,700 | 3,475,665 | ||||
| Catg D1 Exception Values: | 3,606,141 | 3,681,895 | ||||
| Catg G1 Exception Values: | 3,048,880 | 2,736,353 | ||||
| Total Test Values (4): | 68,381,932 | 71,843,564 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 3,592,178 |
Confidence Interval Values (5)
| State Lower Limit: | 68,251,386 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 68,381,932 | (Within Confidence Interval) |
| State Upper Limit: | 75,435,742 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 98,097,131 | (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