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Polk County
2019 Confidence Interval Detail
Polk County
187-904/Corrigan-Camden ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 20,029,585 | 0.9066 | 22,093,079 | 13 | 487 | 0.057175441 |
| A | 23,003,809 | 0.9435 | 24,381,356 | 13 | 302 | 0.010499921 |
| A | 22,175,927 | 0.9286 | 23,881,033 | 13 | 192 | 0.014512444 |
| A | 26,603,589 | 0.9909 | 26,847,905 | 12 | 134 | 0.018119795 |
| E | 43,347,502 | 0.9443 | 45,904,376 | 22 | 564 | 0.028592743 |
| Random Totals: | 135,160,412 | 143,107,749 | 73 | 1,679 | ||
| CATG D1 EXCEPTION VALUES: | 37,351,874 | 36,397,832 | ||||
| CATG J EXCEPTION VALUES: | 29,822,760 | 28,086,855 | ||||
| Total Test Values(2) | 202,335,046 | 207,592,436 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,379,622 |
Confidence Interval Values(5)
| Local Test Value: | 202,335,046 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 197,212,814 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 217,972,058 | (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