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Polk County
2019 Confidence Interval Detail
Polk County
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 | 13,090,901 | 0.9597 | 13,640,618 | 17 | 282 | 0.174973006 |
| A | 15,380,377 | 0.9596 | 16,027,904 | 17 | 183 | 0.061630226 |
| A | 15,621,599 | 0.9807 | 15,929,029 | 17 | 127 | 0.033646873 |
| A | 16,907,363 | 1.0196 | 16,582,349 | 17 | 81 | 0.014093592 |
| E | 15,851,366 | 0.9018 | 17,577,474 | 17 | 173 | 0.058918472 |
| Random Totals: | 76,851,606 | 79,757,374 | 85 | 846 | ||
| CATG D1 EXCEPTION VALUES: | 3,606,850 | 3,455,553 | ||||
| CATG J EXCEPTION VALUES: | 5,772,272 | 5,536,786 | ||||
| Total Test Values(2) | 86,230,728 | 88,749,713 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 4,437,486 |
Confidence Interval Values(5)
| Local Test Value: | 86,230,728 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 84,312,227 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 93,187,199 | (State Test Value plus Margin of Error Percent) |
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, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values